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Patent US2625842A successfully refreshed from Google Patents.
US2625842A
Expired / Lapsed
US
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Saw sharpener
Assignee: Individual
•
Filing: 1949-11-14
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Granted: 1953-01-20
•
Expires: 1969-11-14
Abstract
No abstract record available.
Inventors
- 👤 Mcewan James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:43
CPC Classifications
B; B23; B23D; B23D63/00; B23D63/08; B23D63/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US226291A
Cited
US675780A
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US1567749A
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US1853245A
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US1666087A
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US1832224A
Cited
US2319437A
Cited
US2429300A
Cited
US2483336A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |