Patent US3040602A successfully refreshed from Google Patents.
US3040602A
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US
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Saw chain sharpener and method
Assignee: Omark Industries Inc
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Filing: 1959-10-12
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Granted: 1962-06-26
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Expires: 1979-10-12
Abstract
No abstract record available.
Inventors
- 👤 R Carlton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:36
CPC Classifications
B; B27; B27B; B27B33/00; B27B33/14; B27B33/142; B23; B23D; B23D63/00; B23D63/08; B23D63/16; B23D63/166; B23D63/168; Y; Y10; Y10T; Y10T83/00; Y10T83/303; Y10T83/313; Y10T83/909; Y10T83/925
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |