US3263462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking device
Assignee: Individual
•
Filing: 1964-03-09
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Granted: 1966-08-02
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Expires: 1984-03-09
Abstract
No abstract record available.
Inventors
- 👤 Suroff Leonard William
- 👤 Suroff Hyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:31
CPC Classifications
E; E05; E05B; E05B13/00; E05B13/001; Y; Y10; Y10T; Y10T70/00; Y10T70/30; Y10T70/40; Y10T70/411; Y10T70/50; Y10T70/5611; Y10T70/5757; Y10T70/5765; Y10T70/577; Y10T70/5774; Y10T70/70; Y10T70/7441; Y10T70/7915; Y10T70/80; Y10T70/8432; Y10T70/8649
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
100 words
A LOCKING DEVICE FOR PREVENTING ANGULAR DISPLACEMENT OF THE MANUAL ACTUATOR OF A DOOR LOCK HAVING OPPOSED SURFACES, THE COMBINATION COMPRISING: (A) A BASE HAVING A SHAPED RECESS THEREIN FOR THE NON-ROTATIONAL ACCEPTANCE OF SAID ACTUATOR AND WHOSE INSIDE CIRCUMFERENCE IS SLIGHTLY LARGER THAN THE PERIPHERAL EDGE OF THE DOOR LOCK ACTUATOR, (B) A PAIR OF SPACED APART LEGS PROJECTING FROM SAID BASE, AND ADAPTED TO EXTEND OVER THE OPPOSED SURFACES OF THE DOOR LOCK, AND (C) ADJUSTABLE CLAMPING MEANS FOR SECURING SAID LEGS TO THE OPPOSED SURFACES OF THE DOOR LOCK TO RESIST ANY MOVEMENT OF THE MANUAL ACTUATOR.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |