Patent US2921802A successfully refreshed from Google Patents.
US2921802A
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Fluid line coupling with remote controlled fluid pressure actuated latch
Assignee: KAHN AND CO Inc
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Filing: 1957-02-11
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Granted: 1960-01-19
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Expires: 1977-02-11
Abstract
No abstract record available.
Inventors
- 👤 Edwin M Canner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:14
CPC Classifications
B; B64; B64D; B64D13/00; B64D13/02; F; F16; F16L; F16L37/00; F16L37/22; F16L37/23; F16L37/28; F16L37/30; F16L37/32; Y; Y10; Y10S; Y10S285/00; Y10S285/919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2548528A
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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) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |