Patent US2902312A successfully refreshed from Google Patents.
US2902312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansible house trailer
Assignee: Individual
•
Filing: 1953-09-14
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Granted: 1959-09-01
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Expires: 1973-09-14
Abstract
No abstract record available.
Inventors
- 👤 Ferrera John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:38
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/32; B60P3/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA528037A
Cited
US1721198A
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US1972415A
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US2147892A
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US2368936A
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US2494680A
Cited
DE822783C
Cited
US2636773A
Cited
FR1020274A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |