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Patent US3463514A successfully refreshed from Google Patents.
US3463514A
Expired / Lapsed
US
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Trailer hitch assembly
Assignee: Fisher Group Inc
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Filing: 1968-01-17
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Granted: 1969-08-26
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Expires: 1988-01-17
Abstract
No abstract record available.
Inventors
- 👤 Richard E Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:24
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/48; B60D1/485; B60D1/01; B60D1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |