Patent US2934157A successfully refreshed from Google Patents.
US2934157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two wheeled tractor
Assignee: Individual
•
Filing: 1955-08-09
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Granted: 1960-04-26
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Expires: 1975-08-09
Abstract
No abstract record available.
Inventors
- 👤 Marvin W Harp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:17
CPC Classifications
B; B62; B62D; B62D49/00; B62D49/06; B62D49/0607; B62D49/08; B62D61/00; B62D61/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1754431A
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US2125195A
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US2184198A
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US2372043A
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US2426342A
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US2549182A
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US2611443A
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US2722280A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |