Patent US2635663A successfully refreshed from Google Patents.
US2635663A
Expired / Lapsed
US
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Cutter knife
Assignee: Cincinnati Butchers Supply Co
•
Filing: 1950-11-30
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Granted: 1953-04-21
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Expires: 1970-11-30
Abstract
No abstract record available.
Inventors
- 👤 William C Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:51
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/06; B02C18/16; B02C18/18; B02C18/20; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9372; Y10T83/9374
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US812784A
Cited
US825258A
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US1394434A
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US1950733A
Cited
US2081807A
Cited
US2149193A
Cited
US2551049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |