US2602354A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saw sharpening device employing a grinding wheel
Assignee: Individual
•
Filing: 1950-10-04
•
Granted: 1952-07-08
•
Expires: 1970-10-04
Abstract
No abstract record available.
Inventors
- 👤 Charles H Hutsell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:55
CPC Classifications
B; B23; B23D; B23D57/00; B23D57/0076; B23D63/00; B23D63/08; B23D63/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US574855A
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US867723A
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US1385339A
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US1480172A
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US1846331A
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US1970864A
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US2343171A
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US2356448A
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US2477880A
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US2464660A
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US2555048A
Cited
US2519735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |