Patent US2698035A successfully refreshed from Google Patents.
US2698035A
Expired / Lapsed
US
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Chain saw attachment for tractors
Assignee: Individual
•
Filing: 1950-02-28
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Granted: 1954-12-28
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Expires: 1970-02-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Chester A Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:15
CPC Classifications
B; B27; B27B; B27B17/00; B27B17/0091; Y; Y10; Y10T; Y10T83/00; Y10T83/707; Y10T83/7101; Y10T83/7108
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US995269A
Cited
US2461384A
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US2436504A
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US2439607A
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US2432726A
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US2420836A
Cited
US2560641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-27 | 1958-06-28 | 1958-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-27 | 1962-06-28 | 1962-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-27 | 1966-06-28 | 1966-12-28 | $7700.00 | Window Closed / Lapsed |