US2833102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable pitch mower
Assignee: Individual
•
Filing: 1956-09-11
•
Granted: 1958-05-06
•
Expires: 1976-09-11
Abstract
No abstract record available.
Inventors
- 👤 Earl O Roof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:12
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/835; A01D34/86; A01D34/01; A01D34/412; A01D34/63
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2263368A
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US2329185A
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US2552951A
Cited
US2569682A
Cited
US2521972A
Cited
US2564201A
Cited
US2556446A
Cited
US2504259A
Cited
US2529328A
Cited
US2568822A
Cited
US2671299A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |