Patent US2852273A successfully refreshed from Google Patents.
US2852273A
Expired / Lapsed
US
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Coupling mechanism with service connections for automotive vehicles
Assignee: Individual
•
Filing: 1957-10-10
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Granted: 1958-09-16
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Expires: 1977-10-10
Abstract
No abstract record available.
Inventors
- 👤 Hudson Neal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:42
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/58; B60D1/62; B60T; B60T17/00; B60T17/04; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/12; B62D53/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1880123A
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US1973610A
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US2062806A
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US2070832A
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US2119460A
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US2092115A
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US2094399A
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US2480483A
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US2667365A
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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) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |