Patent US2607374A successfully refreshed from Google Patents.
US2607374A
Expired / Lapsed
US
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Air booster for sawmill setworks
Assignee: Wheland Co
•
Filing: 1949-02-15
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Granted: 1952-08-19
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Expires: 1969-02-15
Abstract
No abstract record available.
Inventors
- 👤 William F Cahoon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:29
CPC Classifications
B; B27; B27B; B27B29/00; B27B29/08; B27B29/10; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/6492; Y10T83/6499; Y10T83/6508; Y10T83/6515; Y10T83/6518; Y10T83/6523; Y10T83/6529
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |