US3204437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock
Assignee: Individual
•
Filing: 1961-12-04
•
Granted: 1965-09-07
•
Expires: 1981-12-04
Abstract
No abstract record available.
Inventors
- 👤 Dreyfus Jean Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:56
CPC Classifications
E; E05; E05B; E05B27/00; E05B27/02; E05B27/08; E05B27/083; E05B19/00; E05B27/0028; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/55; Y10T70/5504; Y10T70/5611; Y10T70/5757; Y10T70/5765; Y10T70/5805; Y10T70/5819; Y10T70/70; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/752; Y10T70/7525; Y10T70/7531; Y10T70/7559; Y10T70/7588; Y10T70/7593; Y10T70/778; Y10T70/7791; Y10T70/7802; Y10T70/7836
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
IN A FRONTAL TYPE LOCK ARRANGEMENT, A MOVABLE MEMBER SELECTIVELY DISPLACEABLE INTO ONE OF TWO OPERABLE POSITIONS, ONE POSITION CORRESPONDING TO OPENING OF THE LOCK AND THE OTHER POSITION CORRESPONDING TO A CLOSED LOCK, BLOCKING MEANS COOPERATING WITH SAID MOVABLE MEMBER ADAPTED TO BE DISPLACED BY A KEY WHEN INSERTED IN SAID LOCK INTO A FIRST POSITION FOR FREEING SAID MOVABLE MEMBER TO CARRY OUT A DESIRED MOVEMENT, SAID BLOCKING MEANS NORMALLY ASSUMING A SECOND POSITION WHEN SAID KEY IS NOT INSERTED IN SAID LOCK FOR BLOCKING SAID MOVABLE MEMBER FROM CARRYING OUT SAID DEISRED MOVEMENT, FIRST SPRING MEANS FOR NORMALLY URGING SAID BLOCKING MEANS INTO SAID SECOND POSITION FOR BLOCKING SAID MOVABLE MEMBER, MEANS INCLUDING A SECOND SPRING MEANS MOVABLE BY A KEY INSERTRED IN THE LOCK FOR DISPLACING SAID MOVABLE MEMBER INTO SAID ONE POSITION CORRESPONDING TO OPENING OF THE LOCK WHEN SAID BLOCKING MEANS ARE DISPLACED INTO SAID FIRST POSITION, AND THIRD SPRING MEANS FOR RETURNING SAID MOVABLE MEMBER INTO SAID OTHER POSITION CORRESPONDING TO A CLOSED LOCK WHEN THE KEY IS REMOVED FROM THE LOCK FOR BLOCKING OF SAID MOVABLE MEMBER BY SAID BLOCKING MEANS.
Claim 2
Dependent Claim
189 words
IN A FRONTAL TYPE LOCK ARRANGEMENT, A MOVABLE MEMBER SELECTIVELY DISPLACEABLE INTO ONE OF TWO OPERABLE POSITIONS, ONE POSITION CORRESPONDING TO OPENING OF THE LOCK AND THE OTHER POSITION CORRESPONDING TO A CLOSED LOCK, BLOCKING MEANS COOPERATING WITH SAID MOVABLE MEMBER ADAPTED TO BE DISPLACED BY A KEY WHEN INSERTED IN SAID LOCK INTO A FIRST POSITION FOR FREEING SAID MOVABLE MEMBER TO CARRY OUT A DESIRED MOVEMENT, SAID BLOCKING MEANS NORMALLY ASSUMING A SECOND POSITION WHEN SAID KEY IS NOT INSERTED IN SAID LOCK FOR BLOCKING SAID MOVABLE MEMBER FROM CARRYING OUT SAID DEISRED MOVEMENT, FIRST SPRING MEANS FOR NORMALLY URGING SAID BLOCKING MEANS INTO SAID SECOND POSITION FOR BLOCKING SAID MOVABLE MEMBER, MEANS INCLUDING A SECOND SPRING MEANS MOVABLE BY A KEY INSERTRED IN THE LOCK FOR DISPLACING SAID MOVABLE MEMBER INTO SAID ONE POSITION CORRESPONDING TO OPENING OF THE LOCK WHEN SAID BLOCKING MEANS ARE DISPLACED INTO SAID FIRST POSITION, AND THIRD SPRING MEANS FOR RETURNING SAID MOVABLE MEMBER INTO SAID OTHER POSITION CORRESPONDING TO A CLOSED LOCK WHEN THE KEY IS REMOVED FROM THE LOCK FOR BLOCKING OF SAID MOVABLE MEMBER BY SAID BLOCKING MEANS.
References Cited (Backward Citations)
US41177A
Cited
US51152A
Cited
US52226A
Cited
US59628A
Cited
US156645A
Cited
US240397A
Cited
US1446132A
Cited
US1714579A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |