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US2947565A
Expired / Lapsed
US
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General purpose trailer
Assignee: Martin Co
•
Filing: 1956-12-21
•
Granted: 1960-08-02
•
Expires: 1976-12-21
Abstract
No abstract record available.
Inventors
- 👤 Wood John Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:50
CPC Classifications
B; B62; B62D; B62D63/00; B62D63/06; B62B; B62B3/00; B62B3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB135751A
Cited
US1704662A
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US1889350A
Cited
US2115440A
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CH279811A
Cited
US2664715A
Cited
FR1111088A
Cited
US2808157A
Cited
US2763383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |