Patent US2803869A successfully refreshed from Google Patents.
US2803869A
Expired / Lapsed
US
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Multiple saws for cutting die block shanks
Assignee: Individual
•
Filing: 1954-04-19
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Granted: 1957-08-27
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Expires: 1974-04-19
Abstract
No abstract record available.
Inventors
- 👤 Charles A Brauchler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:20
CPC Classifications
B; B23; B23D; B23D45/00; B23D45/10; Y; Y10; Y10S; Y10S83/00; Y10S83/917; Y10T; Y10T83/00; Y10T83/02; Y10T83/0304; Y10T83/0311; Y10T83/0319; Y10T83/647; Y10T83/654; Y10T83/768; Y10T83/7684; Y10T83/7709; Y10T83/7793
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) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |