US2696230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circle saw work center
Assignee: Individual
•
Filing: 1951-03-13
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Granted: 1954-12-07
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Expires: 1971-03-13
Abstract
No abstract record available.
Inventors
- 👤 Elmer B Libby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:48
CPC Classifications
B; B27; B27B; B27B25/00; B23; B23D; B23D59/00; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/48; B23Q1/4804; Y; Y10; Y10T; Y10T83/00; Y10T83/727; Y10T83/728; Y10T83/747
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) | 1957-12-06 | 1958-06-07 | 1958-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-06 | 1962-06-07 | 1962-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-06 | 1966-06-07 | 1966-12-07 | $7700.00 | Window Closed / Lapsed |