Patent US3141692A successfully refreshed from Google Patents.
US3141692A
Expired / Lapsed
US
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Bolt latch
Assignee: National Manufacturing Co
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Filing: 1962-01-22
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Granted: 1964-07-21
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Expires: 1982-01-22
Abstract
No abstract record available.
Inventors
- 👤 Charles A Behrens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:33
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/02; E05C1/04; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1014; Y10T292/1022; Y10T292/1024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A BOLT LATCH COMPRISING AN ELONGATED BASE HAVING A LONGITUDINALLY EXTENDING TRACK ON ONE SIDE THEREOF, SAID BASE HAVING A PLURALITY OF MOUNTING HOLES EXTENDING IN A TRANSVERSE DIRECTION FROM SAID ONE SIDE TO THE OPPOSITE SIDE, SAID HOLES BEING COUNTERSUNK ON SAID ONE SIDE OF SAID BASE, AN ELONGATED BOLT MOUNTED ON SAID BASE FOR SLIDING MOVEMENT ALONG SAID TRACK OVER SAID MOUNTING HOLES SAID BOLT HAVING THEREIN A RECTILINEAR GROOVE FACING TOWARD SAID BASE AND EXTENDING PARALLEL TO SAID TRACK, SAID BOLT HAVING NEAR ONE END THEREOF AN APERTURE OPENING INTO SAID GROOVE, A KNOB ASSEMBLY HAVING A PORTION EXTENDING THROUGH SAID APERTURE AND PROTRUDING A SUBSTANTIAL DISTANCE INTO SAID GROOVE, A STOP EXTENDING FROM SAID BOLT INTO SAID GROOVE AT A LOCATION SPACED FROM SAID KNOB PORTION, AND RESILIENT MEANS CARRIED BY SAID BASE AND EXTENDING INTO SAID GROOVE BETWEEN SAID KNOB PORTION AND SAID STOP FOR LIMITING MOVEMENT OF SAID BOLT ALONG SAID TRACK AND FOR PREVENTING SPURIOUS MOVEMENT BETWEEN SAID BOLT AND SAID BASE.
Claim 2
Dependent Claim
169 words
A BOLT LATCH COMPRISING AN ELONGATED BASE HAVING A LONGITUDINALLY EXTENDING TRACK ON ONE SIDE THEREOF, SAID BASE HAVING A PLURALITY OF MOUNTING HOLES EXTENDING IN A TRANSVERSE DIRECTION FROM SAID ONE SIDE TO THE OPPOSITE SIDE, SAID HOLES BEING COUNTERSUNK ON SAID ONE SIDE OF SAID BASE, AN ELONGATED BOLT MOUNTED ON SAID BASE FOR SLIDING MOVEMENT ALONG SAID TRACK OVER SAID MOUNTING HOLES SAID BOLT HAVING THEREIN A RECTILINEAR GROOVE FACING TOWARD SAID BASE AND EXTENDING PARALLEL TO SAID TRACK, SAID BOLT HAVING NEAR ONE END THEREOF AN APERTURE OPENING INTO SAID GROOVE, A KNOB ASSEMBLY HAVING A PORTION EXTENDING THROUGH SAID APERTURE AND PROTRUDING A SUBSTANTIAL DISTANCE INTO SAID GROOVE, A STOP EXTENDING FROM SAID BOLT INTO SAID GROOVE AT A LOCATION SPACED FROM SAID KNOB PORTION, AND RESILIENT MEANS CARRIED BY SAID BASE AND EXTENDING INTO SAID GROOVE BETWEEN SAID KNOB PORTION AND SAID STOP FOR LIMITING MOVEMENT OF SAID BOLT ALONG SAID TRACK AND FOR PREVENTING SPURIOUS MOVEMENT BETWEEN SAID BOLT AND SAID BASE.
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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |