US2676039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swivel coupling
Assignee: Individual
•
Filing: 1949-07-01
•
Granted: 1954-04-20
•
Expires: 1969-07-01
Abstract
No abstract record available.
Inventors
- 👤 William E Habig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:57
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/08; F16L27/0804; F16L27/0808; F16L27/0824; F16L27/0828
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US733065A
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US980776A
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US1795867A
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US1854638A
Cited
US2036537A
Cited
US2166232A
Cited
US2176532A
Cited
US2270928A
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US2365048A
Cited
US2407745A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |