Patent US3266276A successfully refreshed from Google Patents.
US3266276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door lock
Assignee: Individual
•
Filing: 1964-08-26
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Granted: 1966-08-16
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Expires: 1984-08-26
Abstract
No abstract record available.
Inventors
- 👤 Yulkowski Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:15
CPC Classifications
E; E05; E05B; E05B59/00; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5226; Y10T70/5239; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/55; Y10T70/5504
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN A DOOR LOCK INCLUDING A HOUSING, A FACEPLATE, AND AN ELONGATED RECIPROCAL LATCH BOLT THEREIN, HAVING A NORMAL SPRING-BIASED OPERATIVE POSITION AND A RETRACTED POSITION; THE IMPROVEMENT COMPRISING INNER AND OUTER MANUALLY ROTATABLE SPRING-BIASED CONTROL HUBS JOURNALED WITHIN THE HOUSING, THE INNER HUB CONTINUOUSLY IN OPERATIVE ENGAGEMENT WITH THE LATCH BOLT FOR RETRACTING IT; LATCH BOLT ENGAGING MEANS MOVABLY MOUNTED ON THE LATCH BOLT AND HAVING A CONTROL MEANS MOVABLE INTO AND OUT OF OPERATIVE ENGAGEMENT WITH THE OUTLET HUB; RESILIENT MEANS ON THE LATCH BOLT NORMALLY BIASING SAID CONTROL MEANS INTO A DISENGAGED POSITION RELATIVE TO SAID OUTER HUB; AND CAM MEANS IN SAID HOUSING MOVABLE AGAINST SAID LATCH BOLT ENGAGING MEANS FOR MOVING SAID CONTROL MEANS INTO ENGAGEMENT WITH SAID OUTER HUB.
Claim 2
Dependent Claim
125 words
IN A DOOR LOCK INCLUDING A HOUSING, A FACEPLATE, AND AN ELONGATED RECIPROCAL LATCH BOLT THEREIN, HAVING A NORMAL SPRING-BIASED OPERATIVE POSITION AND A RETRACTED POSITION; THE IMPROVEMENT COMPRISING INNER AND OUTER MANUALLY ROTATABLE SPRING-BIASED CONTROL HUBS JOURNALED WITHIN THE HOUSING, THE INNER HUB CONTINUOUSLY IN OPERATIVE ENGAGEMENT WITH THE LATCH BOLT FOR RETRACTING IT; LATCH BOLT ENGAGING MEANS MOVABLY MOUNTED ON THE LATCH BOLT AND HAVING A CONTROL MEANS MOVABLE INTO AND OUT OF OPERATIVE ENGAGEMENT WITH THE OUTLET HUB; RESILIENT MEANS ON THE LATCH BOLT NORMALLY BIASING SAID CONTROL MEANS INTO A DISENGAGED POSITION RELATIVE TO SAID OUTER HUB; AND CAM MEANS IN SAID HOUSING MOVABLE AGAINST SAID LATCH BOLT ENGAGING MEANS FOR MOVING SAID CONTROL MEANS INTO ENGAGEMENT WITH SAID OUTER HUB.
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |