US2488947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary power handsaw
Assignee: AMERICAN FLOOR SURFACING MACH
•
Filing: 1945-05-28
•
Granted: 1949-11-22
•
Expires: 1965-05-28
Abstract
No abstract record available.
Inventors
- 👤 Vavrik Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:34
CPC Classifications
B; B27; B27B; B27B9/00; B27B9/02; B23; B23D; B23D59/00; B23D59/001; B23D59/002; Y; Y10; Y10S; Y10S29/00; Y10S29/06; Y10S29/083; Y10T; Y10T83/00; Y10T83/828
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1708345A
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US733744A
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US1102018A
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US1478569A
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US1706115A
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US1787191A
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US1854510A
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US1830579A
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US1848330A
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US1833785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-21 | 1953-05-23 | 1953-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-21 | 1957-05-23 | 1957-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-21 | 1961-05-23 | 1961-11-22 | $7700.00 | Window Closed / Lapsed |