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US3235299A Expired / Lapsed US ⏱️ 0.0 years remaining

Wire spring catch for doors

Assignee: Murray Manufacturing Corp
•
Filing: 1962-02-02
•
Granted: 1966-02-15
•
Expires: 1982-02-02
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Abstract

No abstract record available.

Inventors

  • 👤 Herman H Kobryner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 10:50
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.

References Cited (Backward Citations)

DE255666C Cited
US429246A Cited
US1009278A Cited
US1832003A Cited
US2137035A Cited
US2652275A Cited
US2855773A Cited

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

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