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US2497639A
Expired / Lapsed
US
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Two-position mobile power saw
Assignee: Individual
•
Filing: 1947-10-01
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Granted: 1950-02-14
•
Expires: 1967-10-01
Abstract
No abstract record available.
Inventors
- 👤 Underwood Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:37
CPC Classifications
B; B27; B27B; B27B5/00; B27B5/10; Y; Y10; Y10S; Y10S83/00; Y10S83/928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1014593A
Cited
US1197482A
Cited
CH84732A
Cited
US1447606A
Cited
US2274902A
Cited
US2407028A
Cited
US2455369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |