Patent US2805468A successfully refreshed from Google Patents.
US2805468A
Expired / Lapsed
US
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Inserted blade cutter
Assignee: OK Tool Co Inc
•
Filing: 1954-06-16
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Granted: 1957-09-10
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Expires: 1974-06-16
Abstract
No abstract record available.
Inventors
- 👤 Williams Thurston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:11
CPC Classifications
B; B23; B23C; B23C5/00; B23C5/16; B23C5/20; B23C5/22; B23C5/24; B23C5/2472; B23C5/2468; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1908; Y10T407/192; Y10T407/1922; Y10T407/1928; Y10T407/193; Y10T407/1934
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1938717A
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US2037642A
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FR798324A
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US2134140A
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US2309657A
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US2229112A
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US2420057A
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GB570452A
Cited
US2684520A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |