Patent US2631056A successfully refreshed from Google Patents.
US2631056A
Expired / Lapsed
US
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Adjustable endgate for trucks
Assignee: Individual
•
Filing: 1952-01-15
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Granted: 1953-03-10
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Expires: 1972-01-15
Abstract
No abstract record available.
Inventors
- 👤 John E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:34
CPC Classifications
B; B62; B62D; B62D33/00; B62D33/02; B62D33/023; B62D33/027; B62D33/0273; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-09 | 1956-09-08 | 1957-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-09 | 1960-09-08 | 1961-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-09 | 1964-09-08 | 1965-03-10 | $7700.00 | Window Closed / Lapsed |