Patent US2847233A successfully refreshed from Google Patents.
US2847233A
Expired / Lapsed
US
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Trailer hitch with multiple pivot axes
Assignee: Individual
•
Filing: 1955-05-06
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Granted: 1958-08-12
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Expires: 1975-05-06
Abstract
No abstract record available.
Inventors
- 👤 Leslie A Minton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:56
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/01; B60D1/02; B60D1/48; B60D1/488; B60D1/54; B60D2001/542; B60D2001/548
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1333384A
Cited
US1610902A
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USRE18007E
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US2062788A
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US2133065A
Cited
US2442682A
Cited
US2446347A
Cited
US2512222A
Cited
US2743118A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |