US3123388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door latch mechanism
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:39
CPC Classifications
E; E05; E05B; E05B85/00; E05B85/20; E05B85/24; E05B85/247; Y; Y10; Y10S; Y10S292/00; Y10S292/41; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0848; Y10T292/0849; Y10T292/0853; Y10T292/1043; Y10T292/1062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
IN A LATCH MECHANISM FOR A SWINGING DOOR, A SUPPORT HAVING TWO ANGULARLY RELATED PLATE PORTIONS, PIVOTAL LATCH DEVICE MEANS MOUNTED ON ONE OF SAID PLATE PORTIONS, DETENT MEANS PIVOTALLY MOUNTED ON SAID ONE PLATE PORTION AND ENGAGEABLE WITH SAID LATCH DEVICE MEANS FOR HOLDING THE SAME IN DOOR LATCHING POSITION, A DETENT ACTUATING MEMBER PIVOTALLY MOUNTED ON THE OTHER PLATE PORTION, AND A LINK MEANS SHIFTABLE IN A PLANE PARALLEL TO SAID OTHER PLATE PORTION TO TRANSMIT MOVEMENT OF SAID DETENT ACTUATING MEMBER TO SAID DETENT MEANS TO DISENGAGE THE LATTER FROM SAID LATCH DEVICE MEANS, SAID LINK MEANS BEING MOVABLY COUPLED AT ONE END THEREOF TO SAID DETENT ACTUATING MEMBER AND AT THE OTHER END HAVING A PART THEREOF IN ABUTTING RELATION TO A PART OF SAID DETENT MEANS, SAID ONE END OF SAID LINK MEANS BEING MOVABLE ON SAID DETENT ACTUATING MEMBER FROM A DETENT ACTUATING TO A DETENT NONACTUATING POSITION, AND MEANS ON SAID OTHER PLATE PORTION OPERABLE TO SHIFT SAID ONE END OF SAID LINK MEANS ON SAID DETENT ACTUATING MEMBER.
Claim 2
Dependent Claim
176 words
IN A LATCH MECHANISM FOR A SWINGING DOOR, A SUPPORT HAVING TWO ANGULARLY RELATED PLATE PORTIONS, PIVOTAL LATCH DEVICE MEANS MOUNTED ON ONE OF SAID PLATE PORTIONS, DETENT MEANS PIVOTALLY MOUNTED ON SAID ONE PLATE PORTION AND ENGAGEABLE WITH SAID LATCH DEVICE MEANS FOR HOLDING THE SAME IN DOOR LATCHING POSITION, A DETENT ACTUATING MEMBER PIVOTALLY MOUNTED ON THE OTHER PLATE PORTION, AND A LINK MEANS SHIFTABLE IN A PLANE PARALLEL TO SAID OTHER PLATE PORTION TO TRANSMIT MOVEMENT OF SAID DETENT ACTUATING MEMBER TO SAID DETENT MEANS TO DISENGAGE THE LATTER FROM SAID LATCH DEVICE MEANS, SAID LINK MEANS BEING MOVABLY COUPLED AT ONE END THEREOF TO SAID DETENT ACTUATING MEMBER AND AT THE OTHER END HAVING A PART THEREOF IN ABUTTING RELATION TO A PART OF SAID DETENT MEANS, SAID ONE END OF SAID LINK MEANS BEING MOVABLE ON SAID DETENT ACTUATING MEMBER FROM A DETENT ACTUATING TO A DETENT NONACTUATING POSITION, AND MEANS ON SAID OTHER PLATE PORTION OPERABLE TO SHIFT SAID ONE END OF SAID LINK MEANS ON SAID DETENT ACTUATING MEMBER.
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) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |