|
PTO
Wrapper
PDF
|
|
Dossier
Espace
Google
|
|
|
|
Patent
D284976
|
|
Priority
May 17 1984
|
|
Filed
Aug 13 1984
|
|
Issued
Aug 05 1986
|
|
Expiry
Aug 05 2000
|
|
|
|
Assg.orig
|
|
|
|
Entity
unknown
|
|
19
|
|
6
|
|
n/a
|
|
|
|
The ornamental design for a combined calculator and clipboard, as shown.
|
FIG. 1 is a top front right perspective view of a combined calculator and
clipboard showing my new design;
FIG. 2 is a left side elevational view;
FIG. 3 is a rear elevational view; and
FIG. 4 is a bottom plan view thereof.
Hung, Danny Chan Chi
| Patent |
Priority |
Assignee |
Title |
| 5016147, |
Dec 16 1988 |
|
Flight desk with indicators |
| 5413382, |
Jan 21 1994 |
Cornell Concepts Corporation |
Clipboard |
| D294270, |
Dec 05 1984 |
Dah Sun Electronics Company Limited |
Combined clipboard and calculator |
| D294282, |
Nov 27 1984 |
Dah Sun Electronics Company Limited |
Combined calculator and clipboard |
| D301044, |
Mar 22 1988 |
CURTIS COMPUTER PRODUCTS, INC |
Adjustable document holder clip |
| D303401, |
Aug 12 1985 |
|
Lottery ticket clip board |
| D311496, |
Oct 19 1987 |
|
Combined timer and clip for pilots |
| D331076, |
May 13 1987 |
|
Shopping list holder |
| D333162, |
May 20 1991 |
|
Combined writing board, calculator and writing instrument for attachment to an automobile steering wheel |
| D334214, |
Aug 07 1991 |
|
Combined clipboard and calculator |
| D341626, |
Apr 22 1992 |
Saunders Manufacturing Company, Inc. |
Combination clipboard and calculator |
| D353399, |
Jan 08 1993 |
Saunders Manufacturing Co., Inc. |
Combination clipboard/box and calculator |
| D355219, |
Nov 09 1993 |
Pelikan, Inc. |
Copyholder |
| D359074, |
Jun 17 1992 |
|
Combined clipboard and calculator |
| D416586, |
Oct 14 1997 |
Clover Global Group, Inc. |
Clipboard for retaining a removable insert |
| D572309, |
Nov 30 2006 |
Sun Coast Merchandise Corporation |
Clipboard calculator |
| D636440, |
Dec 15 2009 |
Tung Yun International Limited |
Clipboard with calculator |
| D753764, |
Jun 24 2014 |
OFFICEMATE, LLC |
Clipboard |
| D753766, |
Jul 31 2014 |
OFFICEMATE, LLC |
Clipboard |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a