US2986864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary stalk cutter
Assignee: Individual
•
Filing: 1959-07-31
•
Granted: 1961-06-06
•
Expires: 1979-07-31
Abstract
No abstract record available.
Inventors
- 👤 William W Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:29
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/835; A01D34/8355
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2489204A
Cited
US2681536A
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US2891369A
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US2753674A
Cited
US2782585A
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US2720740A
Cited
US2743567A
Cited
US2952961A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |