US2823713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power kerfing saw
Assignee: Individual
•
Filing: 1956-03-19
•
Granted: 1958-02-18
•
Expires: 1976-03-19
Abstract
No abstract record available.
Inventors
- 👤 William L Goldsmith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:21
CPC Classifications
B; B27; B27F; B27F5/00; B27F5/02; B27F5/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB125337A
Cited
US1780174A
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US1848330A
Cited
US2566778A
Cited
US2630151A
Cited
US2587994A
Cited
US2705513A
Cited
US2741282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |