US3144266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deadlocking latch construction
Assignee: Yale and Towne Inc
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Filing: 1961-06-09
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Granted: 1964-08-11
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Expires: 1981-06-09
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Schmid
- 👤 Wells Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:29
CPC Classifications
E; E05; E05B; E05B55/00; E05B55/005; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0977; Y10T292/098; Y10T292/1014; Y10T292/1022; Y10T292/1031; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/55; Y10T70/5504
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
89 words
IN A LOCK OF THE CLASS DESCRIBED, A DOG FOR DEADLOCKING A LATCHBOLT, A TRIGGER BOLT FOR CONTROLLING THE POSITION OF THE DEADLOCKING DOG, SAID TRIGGER BOLT INCLUDING A HEAD AND A TAIL EXTENDING LONGITUDINALLY FROM SAID HEAD, A PAIR OF CAMS FORMED EACH IN A DIFFERENT LONGITUDINAL POSITION ON THE TAIL OF THE TRIGGER BOLT, AND A SURFACE ON EACH OF THE CAMS ON THE TRIGGER BOLT TAIL FOR COACTING WITH THE DEADLOCKING DOG WHEN THE DOG AND TRIGGER BOLT ARE IN A PARTICULAR RELATION TO ONE ANOTHER.
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) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |