Patent US3153548A successfully refreshed from Google Patents.
US3153548A
Expired / Lapsed
US
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Quick disconnect latching device for conduits
Assignee: Douglas Aircraft Co Inc
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Filing: 1961-10-19
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Granted: 1964-10-20
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Expires: 1981-10-19
Abstract
No abstract record available.
Inventors
- 👤 Eugene R Speakman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:59
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/12; F16L37/20; F16B; F16B2200/00; F16B2200/69; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44291; Y10T24/4453
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
125 words
A QUICK-DISCONNECT LATCHING DEVICE FOR SECURING TOGETHER A PLURALITY OF PLATES HAVING PAIRS OF ALIGNED, FASTENER-RECEIVING APERTURES NEAR THEIR MARGINAL EDGES, COMPRISING: A PAIR OF ANCHOR PINS, EACH HAVING A HEAD AND A SHANK, EACH SHANK BEING SUBSTANTIALLY LONGER THAN THE COMBINED THICKNESS OF SAID PLATES WITH THE FREE END SERVING AS A DETENT; TOGGLE MEANS PIVOTALLY CONNECTED TO THE HEADS OF SAID PINS; AND A LATCH HOOK PIVOTALLY CONNECTED TO SAID TOGGLE MEANS, SAID LATCH HOOK HAVING INWARDLY EXTENDING DETENT ENGAGING MEANS AT ITS FREE END; SAID ANCHOR PINS BEING PROVIDED WITH MEANS TO REMOVABLY SECURE THEIR SHANKS IN ONE OF SAID PLATES; SAID DETENT ENGAGING MEANS BEING ADAPTED TO ENGAGE SAID DETENTS AND COMPLETE THE TOGGLE TO SECURE SAID PLATES IN ASSEMBLED RELATION.
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) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |