US3004570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tree-cutting attachment for tractors and the like
Assignee: Individual
•
Filing: 1958-03-27
•
Granted: 1961-10-17
•
Expires: 1978-03-27
Abstract
No abstract record available.
Inventors
- 👤 William R Clayton
- 👤 Jr Howard F Clayton
- 👤 Jr Ernest L Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:44
CPC Classifications
A; A01; A01G; A01G23/00; A01G23/02; A01G23/08; A01G23/093; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/929; Y10T83/9319; Y10T83/9346
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US81413A
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US336380A
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US835226A
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US956768A
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US1107535A
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US2158541A
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US2309223A
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US2512666A
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US2633880A
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US2650628A
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US2821217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |