|
The ornamental design for a calculator case, as shown and described. |
|||||||||||||||||
FIG. 1 is a left side elevational view of a calculator case showing our new _design.
FIG. 2 is a top plan view thereof.
FIG. 3 is a front elevational view thereof.
FIG. 4 is a bottom plan view thereof.
FIG. 5 is a rear elevational view thereof.
FIG. 6 is a right side elevational view thereof.
The broken line disclosure of a keyboard and switches is for illustrative purposes only.
Leer, Stuart D., Barner, Terry L., Beitler, Myron
| Patent | Priority | Assignee | Title |
| D392669, | Jun 14 1996 | MONROE SYSTEMS FOR BUSINESS, INC | Calculator case |
| D806783, | Apr 25 2016 | Casio Keisanki Kabushiki Kaisha | Electronic calculator with printer |
| Patent | Priority | Assignee | Title |
| 228502, | |||
| 230405, | |||
| D243957, | Oct 23 1974 | Sharp Kabushiki Kaisha | Electronic calculating machine |
| D245107, | Oct 01 1975 | Hewlett-Packard Company | Electronic calculator |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| May 16 1978 | Litton Business Systems, Inc. | (assignment on the face of the patent) | / | |||
| Oct 16 1984 | MONROE SYSTEMS FOR BUSINESS, INC A NE CORP | MELLON BANK NATIONAL ASSOCIATION | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 004321 | /0976 | |
| Nov 26 1984 | LITTON BUSINESS SYSTEMS, INC A NY CORP | MONROE SYSTEMS FOR BUSINESS, INC A NE CORP | ASSIGNMENT OF ASSIGNORS INTEREST | 004423 | /0130 | |
| Sep 18 1990 | MONROE SYSTEMS FOR BUSINESS, INC , A CORP OF NV | MELLON BANK EAST PSFS NATIONAL ASSOCIATION | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 005652 | /0030 | |
| Mar 19 2010 | Sweda Company, LLC | PNC Bank, National Association | SECURITY AGREEMENT | 024170 | /0186 |
| Date | Maintenance Fee Events |
| Date | Maintenance Schedule |