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US2665531A
Expired / Lapsed
US
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Cleaning device for slicing machine sharpeners
Assignee: Individual
•
Filing: 1953-01-29
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Granted: 1954-01-12
•
Expires: 1973-01-29
Abstract
No abstract record available.
Inventors
- 👤 Peter M Sivertsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:25
CPC Classifications
B; B24; B24B; B24B3/00; B24B3/36; B24B3/46; B24B3/463
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1308786A
Cited
US1483966A
Cited
US1429316A
Cited
US1857421A
Cited
US2008822A
Cited
US2175719A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |