|
The ornamental design for a keyboard, substantially as shown and described. |
FIG. 1 is an isometric view of a keyboard embodying our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a side elevational view thereof; and
FIG. 5 is a rear elevational view thereof.
Costello, John C., Landry, Christian C., Leitermann, Richard E., Akagi, Kenichi, Urbanus, David S., Abernethy, Charles N.
Patent | Priority | Assignee | Title |
D250022, | Apr 07 1977 | IBM INFORMATION PRODUCTS CORPORATION, 55 RAILROAD AVENUE, GREENWICH, CT 06830 A CORP OF DE | Keyboard enclosure for data processing equipment |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jul 19 1982 | COSTELLO, JOHN C | NDIGITAL EQUIPMENT CORPORATION | ASSIGNMENT OF ASSIGNORS INTEREST | 004031 | /0151 | |
Jul 20 1982 | AKAGI, KENICHI | NDIGITAL EQUIPMENT CORPORATION | ASSIGNMENT OF ASSIGNORS INTEREST | 004031 | /0151 | |
Jul 20 1982 | ABERNETHY, CHARLES N | NDIGITAL EQUIPMENT CORPORATION | ASSIGNMENT OF ASSIGNORS INTEREST | 004031 | /0151 | |
Jul 20 1982 | LANDRY, CHRISTIAN C | NDIGITAL EQUIPMENT CORPORATION | ASSIGNMENT OF ASSIGNORS INTEREST | 004031 | /0151 | |
Jul 20 1982 | URBANUS, DAVID S | NDIGITAL EQUIPMENT CORPORATION | ASSIGNMENT OF ASSIGNORS INTEREST | 004031 | /0151 | |
Aug 04 1982 | LEITERMANN, RICHARD E | NDIGITAL EQUIPMENT CORPORATION | ASSIGNMENT OF ASSIGNORS INTEREST | 004031 | /0151 | |
Aug 09 1982 | Digital Equipment Corporation | (assignment on the face of the patent) | / |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |