US2487322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saw chain tensioning device for chain saws
Assignee: PREC PARTS Ltd
•
Filing: 1946-04-09
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Granted: 1949-11-08
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Expires: 1966-04-09
Abstract
No abstract record available.
Inventors
- 👤 Eriksson Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:16
CPC Classifications
B; B27; B27B; B27B17/00; B27B17/06; B27B17/14; B27B17/144; F; F16; F16H; F16H7/00; F16H7/08; F16H2007/0863; F16H2007/0872; Y; Y10; Y10T; Y10T83/00; Y10T83/707; Y10T83/7264; Y10T83/869; Y10T83/8878; Y10T83/888
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-07 | 1953-05-09 | 1953-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-07 | 1957-05-09 | 1957-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-07 | 1961-05-09 | 1961-11-08 | $7700.00 | Window Closed / Lapsed |