US2678070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic curve cutting sawing apparatus
Assignee: Individual
•
Filing: 1952-07-28
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Granted: 1954-05-11
•
Expires: 1972-07-28
Abstract
No abstract record available.
Inventors
- 👤 Sr Walter M Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:33
CPC Classifications
B; B27; B27B; B27B25/00; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/6492; Y10T83/6539; Y10T83/654; Y10T83/6545; Y10T83/6572; Y10T83/6577; Y10T83/6667; Y10T83/707; Y10T83/7076
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1793461A
Cited
US711533A
Cited
US2102865A
Cited
US2548698A
Cited
US2530880A
Cited
US2625965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |