Patent US2797107A successfully refreshed from Google Patents.
US2797107A
Expired / Lapsed
US
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Trailer and tow-car hitch
Assignee: Individual
•
Filing: 1954-12-17
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Granted: 1957-06-25
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Expires: 1974-12-17
Abstract
No abstract record available.
Inventors
- 👤 Herbert J Bernard
- 👤 Joseph A Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:02
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/14; B60D1/167
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1053054A
Cited
US2104576A
Cited
US2045793A
Cited
US2097006A
Cited
US2196115A
Cited
FR934347A
Cited
US2562824A
Cited
US2616717A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-24 | 1960-12-24 | 1961-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-24 | 1964-12-24 | 1965-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-24 | 1968-12-24 | 1969-06-25 | $7700.00 | Window Closed / Lapsed |