US2667902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tree saw attachment for agricultural tractors
Assignee: Individual
•
Filing: 1952-07-03
•
Granted: 1954-02-02
•
Expires: 1972-07-03
Abstract
No abstract record available.
Inventors
- 👤 Whiteside Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:59
CPC Classifications
B; B27; B27B; B27B5/00; B27B5/10; Y; Y10; Y10S; Y10S83/00; Y10S83/928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1318324A
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US1126312A
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US1832599A
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US1830871A
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US2354625A
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US2404655A
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US2439607A
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US2462314A
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US2461589A
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US2542952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |