US3201161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latches
Assignee: Individual
•
Filing: 1963-03-25
•
Granted: 1965-08-17
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Expires: 1983-03-25
Abstract
No abstract record available.
Inventors
- 👤 Alfred B Castle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:21
CPC Classifications
E; E02; E02D; E02D29/00; E02D29/12; E02D29/14; E02D29/1427; E05; E05C; E05C1/00; E05C1/08; E05C1/12; E05C1/14; E05C1/145; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0971; Y10T292/0994
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
209 words
A LATCH COMPRISING A BASE PLATE, A BOLT HAVING A SLOT THEREIN MOUNTED ON SAID BASE PLATE FOR SLIDING MOVEMENT RELATIVE THERETO, A FIRST END WALL OF SAID SLOT HAVING A CAM SURFACE, AND A SECOND END WALL OF SAID SLOT SPACED FROM SAID FIRST END WALL, URGING MEANS COOPERATING BETWEEN SAID BOLAT AND BASE PLATE FOR NORMALLY MAINTAINING SAID BOLT IN A CATCH ENGAGING POSITION, SAID BASE PLATE HAVING AN OPENING THEREIN ALIGNED WITH THE SLOT OF THE BOLT, A LEVER COMPRISING A PROJECTION, A PIN LOCATED IN SAID OPENING SPACED FROM ONE END THEREOF PIVOTALLY MOUNTING SAID LEVER IN SAID BASE PLATE, SAID LEVER IN A FIRST POSITION HAVING A SURFACE SUBSTANTIALLY FLUSH WITH A SURFACE OF THE BASE PLATE, SAID PROJECTION ON SAID LEVER HAVING A SURFACE ADAPTED TO ENGAGE THE CAM SURFACE OF THE FIRST END WALL OF SAID BOLT SLOT AND RETRACT SAID BOLT FROM ITS CATCH ENGAGING POSITION WHEN THE LEVER IS PIVOTED FROM ITS FIRST POSITION TO A SECOND POSITION, SAID LEVER HAVING A PORTION WITH A LINEAR DIMENSION GREATER THAN THE LEAST DIMENSION BETWEEN SAID SPACED END WALLS, SAID PORTION ON PIVOTING OF SAID LEVER TO THE SECOND POSITION ENGAGING SAID END WALLS AND LIMITING FURTHER PIVOTAL MOVEMENT OF SAID LEVER.
Claim 2
Dependent Claim
209 words
A LATCH COMPRISING A BASE PLATE, A BOLT HAVING A SLOT THEREIN MOUNTED ON SAID BASE PLATE FOR SLIDING MOVEMENT RELATIVE THERETO, A FIRST END WALL OF SAID SLOT HAVING A CAM SURFACE, AND A SECOND END WALL OF SAID SLOT SPACED FROM SAID FIRST END WALL, URGING MEANS COOPERATING BETWEEN SAID BOLAT AND BASE PLATE FOR NORMALLY MAINTAINING SAID BOLT IN A CATCH ENGAGING POSITION, SAID BASE PLATE HAVING AN OPENING THEREIN ALIGNED WITH THE SLOT OF THE BOLT, A LEVER COMPRISING A PROJECTION, A PIN LOCATED IN SAID OPENING SPACED FROM ONE END THEREOF PIVOTALLY MOUNTING SAID LEVER IN SAID BASE PLATE, SAID LEVER IN A FIRST POSITION HAVING A SURFACE SUBSTANTIALLY FLUSH WITH A SURFACE OF THE BASE PLATE, SAID PROJECTION ON SAID LEVER HAVING A SURFACE ADAPTED TO ENGAGE THE CAM SURFACE OF THE FIRST END WALL OF SAID BOLT SLOT AND RETRACT SAID BOLT FROM ITS CATCH ENGAGING POSITION WHEN THE LEVER IS PIVOTED FROM ITS FIRST POSITION TO A SECOND POSITION, SAID LEVER HAVING A PORTION WITH A LINEAR DIMENSION GREATER THAN THE LEAST DIMENSION BETWEEN SAID SPACED END WALLS, SAID PORTION ON PIVOTING OF SAID LEVER TO THE SECOND POSITION ENGAGING SAID END WALLS AND LIMITING FURTHER PIVOTAL MOVEMENT OF SAID LEVER.
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |