Patent US2316997A successfully refreshed from Google Patents.
US2316997A
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Tensioning means for chain saws
Assignee: REED PRENTICE CORP
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Filing: 1940-08-29
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Granted: 1943-04-20
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Expires: 1960-08-29
Abstract
No abstract record available.
Inventors
- 👤 Donald J Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:51
CPC Classifications
B; B27; B27B; B27B17/00; B27B17/02; B27B17/025; B27B17/14; B27B17/146; Y; Y10; Y10T; Y10T83/00; Y10T83/707; Y10T83/7226; Y10T83/7239; Y10T83/7251
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) | 1946-04-19 | 1946-10-19 | 1947-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-04-19 | 1950-10-19 | 1951-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-04-19 | 1954-10-19 | 1955-04-20 | $7700.00 | Window Closed / Lapsed |