US3269762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door latch
Assignee: AVIA MARINE CO Inc
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Filing: 1965-03-29
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Granted: 1966-08-30
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Expires: 1985-03-29
Abstract
No abstract record available.
Inventors
- 👤 Robert S Lint
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:18
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/12; E05C1/16; E05C1/163; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0977; Y10T292/0989; Y10T292/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
A DOOR LATCH COMPRISING, A SLIDE BOLT HAVING A SHANK WITH A STRIKING FACE AT ONE END AND A FORK AT THE OTHER END, THE ARMS OF SAID FORK DIVERGING AND HAVING INWARDLY FACING COPLANAR SLOTS PASSING THROUGH THE ARMS AND TERMINATING BY ABUTMENTS AT THE FREE ENDS OF THE ARMS, AND SAID SHANK HAVING A LONGITUDINAL BORE EXPOSED BETWEEN SAID FORK ARMS, A RECTANGULAR HAVING A HUB WITH A PAIR OF CENTAL COPLANAR ROLLBACKS PROJECTING OPPOSITELY THEREFROM INTO SAID SLOTS, AN ELONGATED GUIDE SLIDABLY RECEIVED BY ONE OF ITS ENDS IN SAID BORE AND HAVING AN ENLARGED HEAD AT ITS OTHER END PRESENTING A PAIR OF SPACED FORKS INTERFITTING WITH SAID HUB AT OPPOSITE SIDES OF SAID ROLLBACKS, AND A COMPRESSION SPRING SLEEVED ON SAID GUIDE AND SEATED AGAINST SAID SLIDE BOLT AT THE FOOT OF SAID BORE AND AGAINST THE HEAD OF THE GUIDE FOR YIELDINGLY URGING SAID ABUTMENTS AGAINST SAID ROLLBACKS, THE INTERFIT BETWEEN SAID HUB AND SAID HEAD OF THE GUIDE BEING SUCH AS TO PERMIT TURNING OF SAID RETRACTOR RELATIVE TO SAID HEAD WHEREBY ONE OF SAID ROOLBACKS WIPE AGAINST ITS RESPECTIVE ABUTMENT WHILE THE OTHER ROLLBACKS SWINGS AWAY FROM THE OTHER OF SAID ABUTMENTS.
Claim 2
Dependent Claim
200 words
A DOOR LATCH COMPRISING, A SLIDE BOLT HAVING A SHANK WITH A STRIKING FACE AT ONE END AND A FORK AT THE OTHER END, THE ARMS OF SAID FORK DIVERGING AND HAVING INWARDLY FACING COPLANAR SLOTS PASSING THROUGH THE ARMS AND TERMINATING BY ABUTMENTS AT THE FREE ENDS OF THE ARMS, AND SAID SHANK HAVING A LONGITUDINAL BORE EXPOSED BETWEEN SAID FORK ARMS, A RECTANGULAR HAVING A HUB WITH A PAIR OF CENTAL COPLANAR ROLLBACKS PROJECTING OPPOSITELY THEREFROM INTO SAID SLOTS, AN ELONGATED GUIDE SLIDABLY RECEIVED BY ONE OF ITS ENDS IN SAID BORE AND HAVING AN ENLARGED HEAD AT ITS OTHER END PRESENTING A PAIR OF SPACED FORKS INTERFITTING WITH SAID HUB AT OPPOSITE SIDES OF SAID ROLLBACKS, AND A COMPRESSION SPRING SLEEVED ON SAID GUIDE AND SEATED AGAINST SAID SLIDE BOLT AT THE FOOT OF SAID BORE AND AGAINST THE HEAD OF THE GUIDE FOR YIELDINGLY URGING SAID ABUTMENTS AGAINST SAID ROLLBACKS, THE INTERFIT BETWEEN SAID HUB AND SAID HEAD OF THE GUIDE BEING SUCH AS TO PERMIT TURNING OF SAID RETRACTOR RELATIVE TO SAID HEAD WHEREBY ONE OF SAID ROOLBACKS WIPE AGAINST ITS RESPECTIVE ABUTMENT WHILE THE OTHER ROLLBACKS SWINGS AWAY FROM THE OTHER OF SAID ABUTMENTS.
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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |