Patent US3198880A successfully refreshed from Google Patents.
US2630746A
Expired / Lapsed
US
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Tractor mounted vineyard cultivator
Assignee: Individual
•
Filing: 1947-02-04
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Granted: 1953-03-10
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Expires: 1967-02-04
Abstract
No abstract record available.
Inventors
- 👤 Theodore W Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:21
CPC Classifications
A; A01; A01B; A01B39/00; A01B39/12; A01B39/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US890843A
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US1593258A
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US2442198A
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US2521549A
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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) | 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 |