US2514609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spiral saw blade
Assignee: Individual
•
Filing: 1946-08-20
•
Granted: 1950-07-11
•
Expires: 1966-08-20
Abstract
No abstract record available.
Inventors
- 👤 Albert E Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:58
CPC Classifications
B; B23; B23D; B23D51/00; B23D51/08; B23D51/12; B23D51/14; B23D57/00; B23D57/0007; B23D57/0015; B23D61/00; B23D61/18; B23D61/185; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9319
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US210421A
Cited
US213889A
Cited
CH41720A
Cited
FR507876A
Cited
GB163166A
Cited
US1665317A
Cited
GB245301A
Cited
US1616880A
Cited
US1993608A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |