Patent US3197655A successfully refreshed from Google Patents.
US3197655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage step detector
Assignee: General Dynamics Corp
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Filing: 1962-02-06
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Granted: 1965-07-27
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Expires: 1982-02-06
Abstract
No abstract record available.
Inventors
- 👤 Wiseman Neil Leman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:33
CPC Classifications
H; H03; H03K; H03K21/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A DETECTOR FOR DETECTING A CHANGE IN MAGNITUDE OF A STEPWISE VARYING INPUT VOLTAGE COMPRISING MEANS FOR SAMPLING SAID INPUT VOLTAGE AT RECURRING INTERVALS, MEANS FOR GENERATING A STORAGE PULSE SUBSEQUENT TO EACH SAMPLING INTERVAL, MEANS FOR STORING SAID INPUT VOLTAGE IN RESPONSE TO EACH OF SAID STORAGE PULSES UNTIL THE ARRIVAL
Claim 2
Dependent Claim
52 words
A DETECTOR FOR DETECTING A CHANGE IN MAGNITUDE OF A STEPWISE VARYING INPUT VOLTAGE COMPRISING MEANS FOR SAMPLING SAID INPUT VOLTAGE AT RECURRING INTERVALS, MEANS FOR GENERATING A STORAGE PULSE SUBSEQUENT TO EACH SAMPLING INTERVAL, MEANS FOR STORING SAID INPUT VOLTAGE IN RESPONSE TO EACH OF SAID STORAGE PULSES UNTIL THE ARRIVAL
References Cited (Backward Citations)
US3054960A
Cited
US3105158A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |