Patent US2903077A successfully refreshed from Google Patents.
US2903077A
Expired / Lapsed
US
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Soil tilling device
Assignee: Simplicity Manufacturing Inc
•
Filing: 1957-06-10
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Granted: 1959-09-08
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Expires: 1977-06-10
Abstract
No abstract record available.
Inventors
- 👤 Kamlukin Igor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:15
CPC Classifications
F; F16; F16H; F16H9/00; F16H9/02; F16H9/04; A; A01; A01B; A01B33/00; A01B33/02; A01B33/028; B; B62; B62D; B62D51/00; B62D51/004
Claims Analysis
Total Claims: 0
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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) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |