Patent US2889434A successfully refreshed from Google Patents.
Patent US1900553A successfully refreshed from Google Patents.
US1900553A
Expired / Lapsed
US
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Portable motor driven saw
Assignee: Syntron Co
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Filing: 1931-02-04
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Granted: 1933-03-07
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Expires: 1951-02-04
Abstract
No abstract record available.
Inventors
- 👤 George E Hampton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:08
CPC Classifications
B; B23; B23D; B23D47/00; B23D47/12; B23D47/126; B23Q; B23Q11/00; B23Q11/04; B23Q11/08; B27; B27B; B27B9/00; B27G; B27G19/00; B27G19/02; B27G19/04; Y; Y10; Y10T; Y10T83/00; Y10T83/525; Y10T83/541; Y10T83/544; Y10T83/606
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) | 1936-03-06 | 1936-09-05 | 1937-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-03-06 | 1940-09-05 | 1941-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-03-06 | 1944-09-05 | 1945-03-07 | $7700.00 | Window Closed / Lapsed |