Patent US2810412A successfully refreshed from Google Patents.
US2810412A
Expired / Lapsed
US
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Supporting apparatus for a portable rotary power saw
Assignee: Individual
•
Filing: 1955-12-27
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Granted: 1957-10-22
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Expires: 1975-12-27
Abstract
No abstract record available.
Inventors
- 👤 George A Roug
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:08
CPC Classifications
B; B23; B23Q; B23Q9/00; B23D; B23D47/00; B23D47/02; B23D47/025; Y; Y10; Y10T; Y10T83/00; Y10T83/768; Y10T83/7684; Y10T83/773; Y10T83/849; Y10T83/853; Y10T83/855; Y10T83/856; Y10T83/857
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1701948A
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US1799215A
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US2495250A
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US2496716A
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US2589554A
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US2555217A
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US2697460A
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US2729250A
Cited
US2711194A
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US2722243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |