Patent US2885216A successfully refreshed from Google Patents.
US2885216A
Expired / Lapsed
US
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Trailer with elevatable chassis
Assignee: MELVIN B SWANNER
•
Filing: 1956-11-02
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Granted: 1959-05-05
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Expires: 1976-11-02
Abstract
No abstract record available.
Inventors
- 👤 James W Browning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:52
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/06; B62D53/067; B60; B60P; B60P1/00; B60P1/04; B60P1/06; B60P1/08; B62D53/061; B62D53/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1946984A
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US2174415A
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US2355663A
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US2475716A
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US2487701A
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US2743936A
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US2774606A
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US2780473A
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US2780475A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |