FIG. 1 is a front perspective view of an electronic calculator in accordance with my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is rear elevation view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a left-side elevation view thereof; and
FIG. 7 is a right-side elevation view thereof; and,
FIG. 8 is a front perspective view of an electronic calculator of FIG. 1 showing a sub-display unit tilted in an upright position.
The broken lines depict portions of the electronic calculator that form no part of the claim.
| Patent |
Priority |
Assignee |
Title |
| 4063221, |
Jun 15 1971 |
Hewlett-Packard Company |
Programmable calculator |
| 4081664, |
Apr 11 1975 |
Sharp Kabushiki Kaisha |
Calculator operation time period counter in a combination of electronic timepiece and electronic calculator |
| 4089059, |
Jul 21 1975 |
Hewlett-Packard Company |
Programmable calculator employing a read-write memory having a movable boundary between program and data storage sections thereof |
| 4158230, |
Oct 15 1976 |
Sharp Kabushiki Kaisha |
Electronic calculator with no protruding key tops |
| 4200926, |
May 22 1972 |
Texas Instruments Incorporated |
Electronic calculator implemented in semiconductor LSI chips with scanned keyboard and display |
| 4209735, |
Sep 29 1976 |
Sharp Kabushiki Kaisha |
Solar battery powered electronic calculator |
| 4271404, |
Mar 29 1977 |
Sharp Kabushiki Kaisha |
Power supply controller in a keyboard-equipped apparatus such as an electronic calculator |
| 4283769, |
Mar 15 1978 |
Sharp Kabushiki Kaisha |
Time information print out at a preselected condition in an electronic calculator |
| 4298865, |
Jul 26 1978 |
Sharp Kabushiki Kaisha |
Display device for electronic calculator or the like |
| 4306294, |
Sep 14 1978 |
Sharp Kabushiki Kaisha |
Combined electronic calculator and electronically tuning radio receiver |
| 4322816, |
Jul 07 1972 |
Hewlett-Packard Company |
Programmable calculator having structure for controlling an x-y plotter |
| 4412210, |
Nov 01 1976 |
Sharp Kabushiki Kaisha |
Electronic calculator with acoustic confirmation of key actuation and acoustical alarms |
| 4523858, |
Mar 06 1981 |
Sharp Kabushiki Kaisha |
Combined electronic calculator and electronic alarm timepiece |
| 4531194, |
Nov 11 1981 |
Sharp Kabushiki Kaisha |
Tape recorder drive system in a programmable electronic calculator |
| 4533837, |
Mar 31 1977 |
Sharp Kabushiki Kaisha |
Keyboard-equipped apparatus such as an electronic calculator with battery throw means for enabling a power supply circuit |
| 4718029, |
Nov 18 1981 |
Sharp Kabushiki Kaisha |
Display device for a programmable electronic calculator |
| 4727502, |
Jul 12 1982 |
Sharp Kabushiki Kaisha |
Programmable electronic calculator |
| 4805136, |
Nov 09 1981 |
Sharp Kabushiki Kaisha |
Program protection in a programmable electronic calculator |
| 4811257, |
Mar 13 1984 |
Sharp Kabushiki Kaisha |
Electronic calculator having means for directly inputting variables into a prestored and displayed equation |
| 4866650, |
Oct 21 1986 |
Sharp Kabushiki Kaisha |
Electronic calculator having matrix calculations |
| 5123102, |
Dec 19 1988 |
Hewlett-Packard Company |
Method and apparatus for suspending computation due to detection of electrostatic discharge |
| 5381353, |
Jun 10 1992 |
Sharp Kabushiki Kaisha |
Scientific electronic calculator for performing mathematical operations with predetermined priority |
| 6081819, |
May 09 1997 |
Sharp Kabushiki Kaisha |
Electronic calculator with graph displaying function |
| 203141, |
|
|
|
| 215366, |
|
|
|
| 223612, |
|
|
|
| 227471, |
|
|
|
| 228236, |
|
|
|
| 230405, |
|
|
|
| 233154, |
|
|
|
| 233347, |
|
|
|
| 233440, |
|
|
|
| 233799, |
|
|
|
| 236208, |
|
|
|
| 236350, |
|
|
|
| 238368, |
|
|
|
| 238788, |
|
|
|
| 239291, |
|
|
|
| 239835, |
|
|
|
| 240136, |
|
|
|
| 240736, |
|
|
|
| 240832, |
|
|
|
| D243191, |
Jan 15 1975 |
Sinclair Radionics Limited |
Calculator |
| D243957, |
Oct 23 1974 |
Sharp Kabushiki Kaisha |
Electronic calculating machine |
| D247198, |
Feb 05 1976 |
Sharp Kabushiki Kaisha |
Electronic calculating machine |
| D249822, |
May 12 1977 |
Sharp Kabushiki Kaisha |
Combined electronic calculator and clock |
| D258827, |
Nov 13 1978 |
Texas Instruments Incorporated |
Case for printing calculator or the like |
| D258893, |
Jan 22 1979 |
Kosmos International Ltd. |
Biorhythm computer |
| D259349, |
Jul 03 1978 |
Canon Kabushiki Kaisha |
Desk top electronic calculator |
| D262318, |
Sep 02 1978 |
Nihon Seimitsu Sokki Co., Ltd. |
Sphygmomanometer |
| D265065, |
May 12 1980 |
Powers Medical Systems, Inc. |
Cardiac pacemaker tester |
| D278536, |
Oct 28 1981 |
GEC PLESSEY TELECOMMUNICATIONS LIMITED , |
Console for a data terminal |
| D279104, |
Feb 14 1983 |
Sharp Corporation |
Electronic printer with calculator |
| D279106, |
Jan 28 1983 |
Sharp Corporation |
Desk-top calculator |
| D279110, |
Nov 25 1982 |
Sharp Corporation |
Electronic calculator with printer |
| D280418, |
Jan 05 1983 |
Sharp Corporation |
Electronic printing calculator |
| D282474, |
Mar 01 1983 |
Becton, Dickinson and Company |
Lighted keytop |
| D284288, |
Oct 20 1983 |
Sharp Corporation |
Printing calculator |
| D285575, |
May 30 1984 |
Sharp Corporation |
Electronic calculator with printer |
| D291325, |
Nov 05 1984 |
Sharp Kabushiki Kaisha |
Electronic printing calculator |
| D293689, |
May 30 1985 |
Sharp Corporation |
Printing calculator |
| D294370, |
Jun 06 1985 |
SHARP KABUSHIKI KAISHA, A CORP OF JAPAN |
Printing calculator |
| D303121, |
May 23 1986 |
Sharp Kabushiki Kaisha |
Electronic calculator |
| D303539, |
May 23 1986 |
SHARP KABUSHIKI KAISHA, OSAKA, JAPAN A CORP OF JAPAN |
Electronic calculator |
| D303677, |
Oct 03 1985 |
Sharp Kabushiki Kaisha |
Electronic calculator |
| D303679, |
May 12 1986 |
SHARP KABUSHIKI KAISHA, A CORP OF JAPAN |
Electronic calculator |
| D303680, |
May 23 1986 |
Sharp Kabushiki Kaisha |
Electronic calculator |
| D303681, |
Aug 07 1986 |
Sharp Kabushiki Kaisha |
Electronic calculator |
| D303807, |
Jan 27 1986 |
SHARP KABUSHIKI KAISHA TO BE REPRESENTED AS SHARP CORPORATION IN ENGLISH , OSAKA, JAPAN A CORP OF JAPAN |
Electronic calculator with memo |
| D303980, |
Feb 25 1986 |
SHARP KABUSHIKI KAISHA TO BE REPRESENTED AS SHARP CORPORATION IN ENGLISH |
Electronic calculator |
| D306743, |
Dec 07 1987 |
Casio Computer Co., Ltd. |
Electronic calculator |
| D307156, |
Nov 25 1987 |
Cal-Comp Electronics, Inc. |
Calculator or similar article |
| D307290, |
Nov 25 1987 |
Cal-Comp Electronics, Inc. |
Calculator or similar article |
| D308391, |
Jul 28 1986 |
SHARP KABUSHIKI KAISHA, OSAKA, JAPAN A CORP OF JAPAN |
Electronic calculator |
| D308532, |
May 08 1987 |
Sharp Corporation |
Electronic calculator with printer |
| D308533, |
May 28 1987 |
Sharp Corporation |
Electronic calculator with printer |
| D308985, |
Jul 02 1987 |
SHARP KABUSHIKI KAISHA, A CORP OF JAPAN |
Electronic calculator with printer |
| D309748, |
Feb 06 1987 |
Casio Computer Co., Ltd. |
Electronic calculator |
| D312833, |
Feb 06 1987 |
Casio Computer Co., Ltd. |
Electronic calculator |
| D315358, |
Dec 29 1987 |
SHARP KABUSHIKI KAISHA TO BE REPRESENTED AS SHARP CORPORATION IN ENGLISH , OSAKA, JAPAN A CORP OF JAPAN |
Electronic calculator with printer |
| D315572, |
Dec 28 1987 |
SHARP KABUSHIKI KAISHA TO BE REPRESENTED AS SHARP CORPORATION IN ENGLISH , OSAKA, JAPAN A CORP OF JAPAN |
Electronic calculator with printer |
| D317778, |
Jan 27 1989 |
Casio Computer Co., Ltd. |
Electronic calculator |
| D318286, |
Mar 17 1989 |
Sharp Corporation |
Electronic Calculator with printer |
| D333315, |
Jan 08 1991 |
MONROE SYSTEMS FOR BUSINESS, INC |
Calculator case |
| D343854, |
Feb 07 1991 |
Casio Computer Co., Ltd. |
Electronic calculator |
| D349511, |
May 27 1992 |
Sharp Kabushiki Kaisha |
Multi-function electronic calculator |
| D349722, |
Apr 07 1992 |
Casio Computer Co., Ltd. |
Electronic calculator |
| D349917, |
Jul 28 1992 |
Casio Computer Co., Ltd. |
Electronic calculator |
| D349918, |
Dec 15 1992 |
Casio Computer Co., Ltd. |
Electronic calculator |
| D350148, |
Feb 19 1992 |
Sharp Kabushiki Kaisha |
Electronic calculator |
| D356104, |
Jan 26 1993 |
Canon Business Machines, Inc. |
Electronic word processor |
| D377044, |
May 02 1995 |
Casio Computer Co., Ltd. |
Projection unit for an electronic calculator |
| D383773, |
Jan 10 1996 |
Sharp Kabushiki Kaisha |
Electronic calculator |
| D394449, |
Jan 08 1997 |
Sharp Kabushiki Kaisha |
Electronic calculator |
| D433056, |
Dec 28 1998 |
Sharp Kabushiki Kaisha |
Electronic calculator with printer |
| D433058, |
May 10 1999 |
Sharp Kabushiki Kaisha |
Electronic calculator with solar cell |
| D433059, |
May 10 1999 |
Sharp Kabushiki Kaisha |
Electronic calculator with solar cell |
| D441008, |
Jan 25 2000 |
Casio Keisanki Kabushiki Kaisha |
Electronic calculator |
| D442618, |
Dec 28 1998 |
Sharp Kabushiki Kaisha |
Electronic calculator with printer |
| D458294, |
Mar 21 2001 |
Sharp Kabushiki Kaisha |
Electronic calculator with printer |
| D459384, |
Mar 21 2001 |
Sharp Kabushiki Kaisha |
Electronic calculator with printer |
| D468341, |
Mar 21 2001 |
Sharp Kabushiki Kaisha |
Electronic calculator with printer |
| D477625, |
May 14 2002 |
|
Desk calculator |
| D494208, |
Sep 16 2003 |
Casio Keisanki Kabushiki Kaisha |
Electronic calculator with printer |
| D508520, |
Mar 16 2004 |
Casio Computer Co., Ltd. |
Electronic calculator |
| D546376, |
Dec 22 2005 |
Casio Keisanki Kabushiki Kaisha |
Electronic calculator with printer |
| D546377, |
Dec 22 2005 |
Casio Keisanki Kabushiki Kaisha |
Electronic calculator with printer |
| D568380, |
May 15 2007 |
Casio Keisanki Kabushiki Kaisha |
Electronic calculator with printer |
| D652070, |
Jul 15 2010 |
Sharp Kabushiki Kaisha |
Electronic calculator |
| D806783, |
Apr 25 2016 |
Casio Keisanki Kabushiki Kaisha |
Electronic calculator with printer |
| D806784, |
Apr 25 2016 |
Casio Keisanki Kabushiki Kaisha |
Electronic calculator with printer |