Patent US2774640A successfully refreshed from Google Patents.
US2774640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible rear seat service tray for automobiles
Assignee: Individual
•
Filing: 1955-07-05
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Granted: 1956-12-18
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Expires: 1975-07-05
Abstract
No abstract record available.
Inventors
- 👤 Clement R Harmon
- 👤 Charles R Twenty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:03
CPC Classifications
B; B60; B60N; B60N3/00; B60N3/001; B60N3/002; B60N3/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1790468A
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US969615A
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US1564358A
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US1809866A
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US2173569A
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US2211962A
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US2556724A
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US2619395A
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US2687336A
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US2726125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |