|
The ornamental design for a projection unit for an electronic calculator, as shown. |
|||||||||||||||||
FIG. 1 is a front elevational view of a projection unit for an electronic calculator showing my new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a rear elevational view thereof; and,
FIG. 7 is a perspective view thereof.
| Patent | Priority | Assignee | Title |
| D836711, | Sep 12 2016 | Sharp Kabushiki Kaisha | Electronic calculator |
| D857091, | Sep 12 2016 | Sharp Kabushiki Kaisha | Electronic calculator |
| Patent | Priority | Assignee | Title |
| D253438, | Sep 06 1977 | Combined work case, pad holder and calculator | |
| D319256, | Jul 22 1988 | Canon Kabushiki Kaisha | Mirror unit for photo-copier projector |
| D355165, | May 27 1992 | Sharp Kabushiki Kaisha | Portable computer with operation pen |
| D355170, | Jun 24 1993 | Sharp Kabushiki Kaisha | Computer |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Apr 28 1995 | YAMABE, HIDEAKI | CASIO COMPUTER CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007459 | /0893 | |
| May 02 1995 | Casio Computer Co., Ltd. | (assignment on the face of the patent) | / |
| Date | Maintenance Fee Events |
| Date | Maintenance Schedule |