Patent US3235299A successfully refreshed from Google Patents.
US3235299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire spring catch for doors
Assignee: Murray Manufacturing Corp
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Filing: 1962-02-02
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Granted: 1966-02-15
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Expires: 1982-02-02
Abstract
No abstract record available.
Inventors
- 👤 Herman H Kobryner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:03
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/06; E05C19/063; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0814; Y10T292/0817; Y10T292/42; Y10T292/438
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
A LATCH FOR A DOOR AND FRAME COMPRISING A BICONICAL STRIKER SECURED TO SAID DOOR, AN APERTURE IN SAID FRAME TO RECEIVE SAID STRIKER, A PLURALITY OF CHANNELS FORMED IN SAID FRAME ALIGNED WITH SAID APERTURE, SAID U-SHAPED SPRING BEING BENT AT ITS BIGHT PART AWAY TIONED WITHIN SAID CHANNELS, SAID CHANNELS BEING INTEGRAL WITH SAID FRAME AND HAVING TRANSVERSE PORTIONS ON WHICH SAID SPRING MAY REST, THE SIDES OF SAID SPRING BEING HELD IN POSITION ADJACENT SAID APERTURE, THE DISTANCE BETWEEN SAID SIDES BEING LESS THAN THE WIDTH OF SAID APERTURE, SAID U-SHAPED SPRING BEING BENT AT ITS BIGHT PART AWAY FROM THE PLANE OF THE SIDES OF THE SPRING TO SECURELY FIT SAID SPRING IN SAID CHANNELS, WHEREBY SAID BENT BIGHT PART SERVES AS A HANDLE AND ALSO A STOP WHICH MAY CONTACT ONE OF SAID CHANNELS, AT LEAST ONE FREE END OF SAID SPRING BEING BENT OUTWARDLY AND REARWARDLY, WHEREBY SUBSTANTIALLY A V-SHAPED HOOK IS PROVIDED WHICH MAY URGE ONE SIDE OF SAID SPRING INWARDLY WHEN PASSING WITHIN A CHANNEL AND WHICH MAY HOOK ONTO A CHANNEL TO PREVENT REARWARD MOTION.
Claim 2
Dependent Claim
184 words
A LATCH FOR A DOOR AND FRAME COMPRISING A BICONICAL STRIKER SECURED TO SAID DOOR, AN APERTURE IN SAID FRAME TO RECEIVE SAID STRIKER, A PLURALITY OF CHANNELS FORMED IN SAID FRAME ALIGNED WITH SAID APERTURE, SAID U-SHAPED SPRING BEING BENT AT ITS BIGHT PART AWAY TIONED WITHIN SAID CHANNELS, SAID CHANNELS BEING INTEGRAL WITH SAID FRAME AND HAVING TRANSVERSE PORTIONS ON WHICH SAID SPRING MAY REST, THE SIDES OF SAID SPRING BEING HELD IN POSITION ADJACENT SAID APERTURE, THE DISTANCE BETWEEN SAID SIDES BEING LESS THAN THE WIDTH OF SAID APERTURE, SAID U-SHAPED SPRING BEING BENT AT ITS BIGHT PART AWAY FROM THE PLANE OF THE SIDES OF THE SPRING TO SECURELY FIT SAID SPRING IN SAID CHANNELS, WHEREBY SAID BENT BIGHT PART SERVES AS A HANDLE AND ALSO A STOP WHICH MAY CONTACT ONE OF SAID CHANNELS, AT LEAST ONE FREE END OF SAID SPRING BEING BENT OUTWARDLY AND REARWARDLY, WHEREBY SUBSTANTIALLY A V-SHAPED HOOK IS PROVIDED WHICH MAY URGE ONE SIDE OF SAID SPRING INWARDLY WHEN PASSING WITHIN A CHANNEL AND WHICH MAY HOOK ONTO A CHANNEL TO PREVENT REARWARD MOTION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |