US2497488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic intermittent feed-and-cut swing frame wood saw
Assignee: Individual
•
Filing: 1946-05-20
•
Granted: 1950-02-14
•
Expires: 1966-05-20
Abstract
No abstract record available.
Inventors
- 👤 Cashwell George Washington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:28
CPC Classifications
B; B27; B27B; B27B5/00; B27B5/16; B27B5/18; B27B5/188; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4582
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US293037A
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US764717A
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US825518A
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US1262943A
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US1625026A
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US1784709A
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US1856169A
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US2039017A
Cited
US2410887A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |