US3264757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Audio typewriter
Assignee: PALISADES EDUCATIONAL FOUNDATION Inc
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Filing: 1963-12-03
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Granted: 1966-08-09
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Expires: 1983-12-03
Abstract
No abstract record available.
Inventors
- 👤 Kobler Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:50
CPC Classifications
G; G09; G09B; G09B13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN COMBINATION, A TYEWRITER KEYBOARD INCLUDING A SET OF DEPRESSIBLE KEYS, A ROTATABLY MOUNTED INDEXING MEMBER HAVING PROJECTING DOGS SPACED ALONG AND AROUND THE INDEXING MEMBER, A SERIES OF LATCH PAWLS RESPECTIVELY OPERABLY BY SAID KEYS FOR ENGAGING SAID RESPECTIVE DOGS TO LATCH SAID INDEXING MEMBER IN PREDETERMINED ANGULAR POSITIONS AS RESPECTIVE KEYS OF SAID KEYBOARD ARE DEPRESSED, A MOTOR DRIVEN SHAFT, A FRICTION SLIP CLUTCH BETWEEN SAID MOTOR DRIVEN SHAFT AND SAID INDEXING MEMBER FOR RELEASABLY DRIVING THE INDEXING MEMBER, AND A MOVABLY MOUNTED RECORD CARRIER HAVING A FIXED DRIVE COUPLING WITH SAID INDEXING MEMBER TO CAUSE THE RECORD CARRIER TO BE MOVED WHEN SAID INDEXING MEMBER IS ROTATED, SAID FRICTION SLIP CLUTCH BEING ADAPTED TO SLIP DURING ROTATION OF SAID MOTOR DRIVEN SHAFT WHEN SAID INDEXING MEMBER IS LATCHED.
Claim 2
Dependent Claim
131 words
IN COMBINATION, A TYEWRITER KEYBOARD INCLUDING A SET OF DEPRESSIBLE KEYS, A ROTATABLY MOUNTED INDEXING MEMBER HAVING PROJECTING DOGS SPACED ALONG AND AROUND THE INDEXING MEMBER, A SERIES OF LATCH PAWLS RESPECTIVELY OPERABLY BY SAID KEYS FOR ENGAGING SAID RESPECTIVE DOGS TO LATCH SAID INDEXING MEMBER IN PREDETERMINED ANGULAR POSITIONS AS RESPECTIVE KEYS OF SAID KEYBOARD ARE DEPRESSED, A MOTOR DRIVEN SHAFT, A FRICTION SLIP CLUTCH BETWEEN SAID MOTOR DRIVEN SHAFT AND SAID INDEXING MEMBER FOR RELEASABLY DRIVING THE INDEXING MEMBER, AND A MOVABLY MOUNTED RECORD CARRIER HAVING A FIXED DRIVE COUPLING WITH SAID INDEXING MEMBER TO CAUSE THE RECORD CARRIER TO BE MOVED WHEN SAID INDEXING MEMBER IS ROTATED, SAID FRICTION SLIP CLUTCH BEING ADAPTED TO SLIP DURING ROTATION OF SAID MOTOR DRIVEN SHAFT WHEN SAID INDEXING MEMBER IS LATCHED.
References Cited (Backward Citations)
US239832A
Cited
US2236413A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |