Patent US1949667A successfully refreshed from Google Patents.
Patent US2800041A successfully refreshed from Google Patents.
US2800041A
Expired / Lapsed
US
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Cutting tool
Assignee: Individual
•
Filing: 1955-03-10
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Granted: 1957-07-23
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Expires: 1975-03-10
Abstract
No abstract record available.
Inventors
- 👤 Adolph W Sten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:37
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/03; B23B29/034; B23B29/03403; B23B29/03407; B23B29/0341; B23B27/00; B23B27/14; B23B27/18; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32426; Y10T403/71; Y10T403/7152; Y10T408/00; Y10T408/83; Y10T408/85; Y10T408/858; Y10T408/8598; Y10T408/85995
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1118141A
Cited
US2367560A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |