US2854259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-sealing detachable coupling
Assignee: Snap Tite Inc
•
Filing: 1955-05-16
•
Granted: 1958-09-30
•
Expires: 1975-05-16
Abstract
No abstract record available.
Inventors
- 👤 Malcolm S Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:50
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/28; F16L37/30; F16L37/32; F16L37/35; F16L37/22; F16L37/23; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/87925; Y10T137/87941; Y10T137/87949
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2735696A
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US1493306A
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US2319015A
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US2391022A
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US2456045A
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US2665928A
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US2705159A
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US2614866A
Cited
US2706646A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |