Patent US2644279A successfully refreshed from Google Patents.
US2644279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting apparatus for sharpening tools, blades, and the like
Assignee: Individual
•
Filing: 1950-08-24
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Granted: 1953-07-07
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Expires: 1970-08-24
Abstract
No abstract record available.
Inventors
- 👤 Stankovich George Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:49
CPC Classifications
B; B24; B24B; B24B41/00; B24B41/06; B24B41/066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US828853A
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US1141095A
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US1297776A
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US1694560A
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US1963394A
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US1979741A
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US2131626A
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US2370908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |