Patent US3291910A successfully refreshed from Google Patents.
US3291910A
Expired / Lapsed
US
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Encoder
Assignee: Bunker Ramo Corp
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Filing: 1962-11-29
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Granted: 1966-12-13
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Expires: 1982-11-29
Abstract
No abstract record available.
Inventors
- 👤 James P Nicklas
- 👤 Robert H Stotz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:28
CPC Classifications
H; H03; H03M; H03M11/00; H03M11/20; G; G06; G06F; G06F3/00; G06F3/09; H03M11/02; H03M11/04; H03M11/14; H03M11/18; H03M7/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
161 words
APPARATUS FOR ACTUATING A TYPEWRITER KEY RESPONSIVE TO A CODE REPRESENTATIVE OF THE CHARACTER PRINTED BY ACTUATION OF SAID KEY COMPRISING A SHIFT REGISTER HAVING A PLURALITY OF STAGES, EACH STAGE BEING ASSOCIATED WITH A DIFFERENT ONE OF SAID TYPEWRITER KEYS, REGISTER MEANS INTO WHICH SAID CODE IS ENTERED, COUNTER MEANS, COMPARATOR MEANS FOR COMPARING THE COUNT OF SAID COUNTER MEANS AND THE CONTENTS OF SAID REGISTER MEANS AND PROVIDING AN OUTPUT SIGNAL WHEN THEY ARE IDENTICAL, A CLOCK PULSE SOURCE, MEANS RESPONSIVE TO THE ENTRY OF A CODE CHARACTER INTO SAID REGISTER MEANS FOR APPLYING A BINARY SIGNAL TO THE FIRST STAGE OF SAID SHIFT REGISTER AND FOR APPLYING CLOCK PULSES TO SAID COUNTER TO BE COUNTED AND TO SAID SHIFT REGISTER TO CAUSE TIT TO SHIFT, A PLURALITY OF GATES, MEANS CONNECTING THE OUTPUT OF EACH ONE OF SAID SHIFT REGISTER STAGES TO THE INPUT OF A DIFFERENT ONE OF SAID GATES, MEANS RESPONSIVE TO AN OUTPUT FROM SAID
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |