US2532981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain saw frame
Assignee: E C ATKINS AND Co
•
Filing: 1946-02-09
•
Granted: 1950-12-05
•
Expires: 1966-02-09
Abstract
No abstract record available.
Inventors
- 👤 Charles V Wolfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:20
CPC Classifications
B; B27; B27B; B27B17/00; B27B17/02; B27B17/04; B27B17/14; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8878; Y10T83/8881; Y10T83/8884
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US345767A
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US1317812A
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US917450A
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US1016664A
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US1175302A
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US1386413A
Cited
US1495492A
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US1526483A
Cited
GB240733A
Cited
US1903776A
Cited
US2178553A
Cited
GB521611A
Cited
US2316997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |