US3715023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cam-and-linkage arrangement for simultaneous movement of multiple keystems connected to a common key
Assignee: NCR Voyix Corp
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Filing: 1970-08-07
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Granted: 1973-02-06
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Expires: 1990-08-07
Abstract
Abstract A MODULARLY-CONSTRUCTED MATRIX-ARRANGED KEYBOARD HAVING A PRINGED CIRCUIT BOARD AND MEANS ASSOCIATED THEREWITH FOR OPENING AND CLOSING CIRCUITS FOR THE PURPOSE OF RELAYING INPUT INFORMATION TOA SEPARATE ENCODING SYSTEM. THE KEYBOARD INCLUDES A PLURALITY OF KEYS WITH KEYSTEMS, EACH STEM CAPABLE OF CARRYING A SHUNT MEMBER ON ITS LOWER END FOR MOVEMENT IN A PATH BETWEEN A SWITCH AND A MAGNET AS THE KEY IS DEPRESSED AND THEN RELEASED. A CAMAND-LINKAGE ARRANGEMENT IS PROVIDED FOR MAINTAINING EVEN DISTRUBUTION OF THE MOVEMENT OF MULTIPLE KEYSTEMS CONNECTED TO A COMMON KEY.
Inventors
- 👤 D Jackson
- 👤 E Stork
- 👤 D Flory
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:55
CPC Classifications
B; B41; B41J; B41J5/00; B41J5/08; B41J5/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-06 | 1976-08-07 | 1977-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-06 | 1980-08-07 | 1981-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-06 | 1984-08-07 | 1985-02-06 | $7700.00 | Window Closed / Lapsed |