US2941610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controllable drive apparatus for rotary mowers
Assignee: CLEMSON BROS Inc
•
Filing: 1956-07-10
•
Granted: 1960-06-21
•
Expires: 1976-07-10
Abstract
No abstract record available.
Inventors
- 👤 Richard D Clemson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:36
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/67; A01D34/68; A01D34/6806; B; B60; B60K; B60K17/00; B60K17/04; B60K17/043; A01D2034/6843; A01D2101/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1008309A
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US1251033A
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US1539186A
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US2138239A
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US2116739A
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US2255347A
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US2500077A
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US2457210A
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US2818699A
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US2713917A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |