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Patent US675780A successfully refreshed from Google Patents.
US675780A
Expired / Lapsed
US
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Saw-sharpening machine.
Assignee: JOHN P MATHIEU
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Filing: 1899-10-07
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Granted: 1901-06-04
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Expires: 1919-10-07
Abstract
No abstract record available.
Inventors
- 👤 William H Lucas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:51
CPC Classifications
B; B23; B23D; B23D63/00; B23D63/08; B23D63/12; B23D63/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1904-06-03 | 1904-12-03 | 1905-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-06-03 | 1908-12-03 | 1909-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-06-03 | 1912-12-03 | 1913-06-04 | $7700.00 | Window Closed / Lapsed |