Patent US2638133A successfully refreshed from Google Patents.
US2638133A
Expired / Lapsed
US
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Line up trough for resawing machines
Assignee: Individual
•
Filing: 1951-12-12
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Granted: 1953-05-12
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Expires: 1971-12-12
Abstract
No abstract record available.
Inventors
- 👤 Walter A Trapeur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:40
CPC Classifications
B; B27; B27B; B27B31/00; B27B31/06; B27B25/00; B27B25/02
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) | 1956-05-11 | 1956-11-10 | 1957-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-11 | 1960-11-10 | 1961-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-11 | 1964-11-10 | 1965-05-12 | $7700.00 | Window Closed / Lapsed |