Patent US2510653A successfully refreshed from Google Patents.
US2510653A
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US
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Detachable coupling
Assignee: Marquette Metal Products Co
•
Filing: 1946-06-07
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Granted: 1950-06-06
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Expires: 1966-06-07
Abstract
No abstract record available.
Inventors
- 👤 Carl P Pepper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:55
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US677872A
Cited
US1126780A
Cited
GB197178A
Cited
US1718197A
Cited
US2073408A
Cited
US2024947A
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US2130757A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |