Patent US2771331A successfully refreshed from Google Patents.
US2771331A
Expired / Lapsed
US
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Folding typewriter desk for automobiles
Assignee: Individual
•
Filing: 1955-01-26
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Granted: 1956-11-20
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Expires: 1975-01-26
Abstract
No abstract record available.
Inventors
- 👤 Messman Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:24
CPC Classifications
B; B60; B60N; B60N3/00; B60N3/001; B60N3/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1781977A
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US1900325A
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US2075936A
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US2125476A
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US2270948A
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US2471730A
Cited
US2475202A
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US2584557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |