US3225205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sequence checking means with plural gate and latch means
Assignee: International Business Machines Corp
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Filing: 1962-12-17
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Granted: 1965-12-21
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Expires: 1982-12-17
Abstract
No abstract record available.
Inventors
- 👤 George M Berkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 02:56
CPC Classifications
B; B65; B65H; B65H9/00; B65H9/20; G; G06; G06F; G06F11/00; G06F11/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A SEQUENCE CHECKING SYSTEM COMPRISING (A) MEANS FOR PRODUCING A RECURRING SEQUENCE OF A PLURALITY OF RELATED SIGNALS, (B) LATCH MEANS ACTIVATED BY A FIRST ONE OF SAID SIGNALS AND RESET BY A SECOND ONE, (C) GATE MEANS ACTIVATED BY CONCURRENCE OF THE LATCH ACTIVATED CONDITION AND A THIRD ONE OF SAID SIGNALS, (D) AN ADDITIONAL LATCH ACTIVATED BY THE SECOND ONE OF SAID SIGNALS AND RESET BY THE FOURTH OF SAID SIGNALS, AND (E) ADDITIONAL GATE MEANS ACTIVATED BY CONCURRENT ACTIVATION OF THE ADDITIONAL LATCH AND RECURRENCE OF THE FIRST OF SAID SIGNALS.
Claim 2
Dependent Claim
94 words
A SEQUENCE CHECKING SYSTEM COMPRISING (A) MEANS FOR PRODUCING A RECURRING SEQUENCE OF A PLURALITY OF RELATED SIGNALS, (B) LATCH MEANS ACTIVATED BY A FIRST ONE OF SAID SIGNALS AND RESET BY A SECOND ONE, (C) GATE MEANS ACTIVATED BY CONCURRENCE OF THE LATCH ACTIVATED CONDITION AND A THIRD ONE OF SAID SIGNALS, (D) AN ADDITIONAL LATCH ACTIVATED BY THE SECOND ONE OF SAID SIGNALS AND RESET BY THE FOURTH OF SAID SIGNALS, AND (E) ADDITIONAL GATE MEANS ACTIVATED BY CONCURRENT ACTIVATION OF THE ADDITIONAL LATCH AND RECURRENCE OF THE FIRST OF SAID SIGNALS.
References Cited (Backward Citations)
US2994783A
Cited
US3027830A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |