Patent US1669941A successfully refreshed from Google Patents.
US1669941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power saw
Assignee: Individual
•
Filing: 1927-03-18
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Granted: 1928-05-15
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Expires: 1947-03-18
Abstract
No abstract record available.
Inventors
- 👤 Ralph M Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:47
CPC Classifications
B; B27; B27B; B27B5/00; B27B5/16; B27B5/22; B27B5/26; B27B5/265; Y; Y10; Y10T; Y10T83/00; Y10T83/768; Y10T83/7684; Y10T83/7701; Y10T83/7705
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1931-05-15 | 1931-11-14 | 1932-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-05-15 | 1935-11-14 | 1936-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-05-15 | 1939-11-14 | 1940-05-15 | $7700.00 | Window Closed / Lapsed |