Patent US3160792A successfully refreshed from Google Patents.
US3160792A
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US
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Electric lock
Assignee: Motors Liquidation Co
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Filing: 1960-02-24
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Granted: 1964-12-08
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Expires: 1980-02-24
Abstract
No abstract record available.
Inventors
- 👤 Roger C Brendemuehl
- 👤 Leslie H Gerhardt
- 👤 Joseph B Kripke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:38
CPC Classifications
G; G07; G07C; G07C9/00; G07C9/00174; G07C9/00658; G07C9/00706; H; H01; H01H; H01H27/00; Y; Y10; Y10S; Y10S70/00; Y10S70/46
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
122 words
AN ELECTRIC LOCKING ARRANGEMENT INCLUDING, ACTUATING MEANS MOVABLE BETWEEN LOCK OPEN POSITION WHEN ENERGIZED AND LOCK CLOSED POSITION WHEN DEENERGIZED, A SOURCE OF POWER FOR ENERGIZING SAID LOCK ACTUATING MEANS, AT LEAST ONE SWITCH CONNECTED IN SERIES BETWEEN ONE SIDE OF SAID POWER SOURCE AND ONE SIDE OF SAID LOCK ACTUATING MEANS, AT LEAST ONE SWITCH CONNECTED IN SERIES BETWEEN THE OTHER SIDE OF SAID POWER SOURCE AND THE OTHER SIDE OF SAID LOCK ACTUATING MEANS, CODED SWITCH OPERATING KEY MEANS FOR CLOSING SAID SERIES SWITCHES TO ENERGIZE SAID LOCK ACTUATING MEANS, THWART MEANS CONNECTED IN CIRCUIT WITH SAID LOCK ACTUATING MEANS, SAID THWART MEANS, WHEN ACTUATED, PRECLUDING ENERGIZATION OF SAID LOCK ACTUATING MEANS IRRESPECTIVE OF THE CLOSURE OF SAID SERIES SWITCHES.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-08 | 1968-06-08 | 1968-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-08 | 1972-06-08 | 1972-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-08 | 1976-06-08 | 1976-12-08 | $7700.00 | Window Closed / Lapsed |