Patent US1661767A successfully refreshed from Google Patents.
US1661767A
Expired / Lapsed
US
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Lumber-returning device for ripsaws
Assignee: Individual
•
Filing: 1927-05-28
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Granted: 1928-03-06
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Expires: 1947-05-28
Abstract
No abstract record available.
Inventors
- 👤 Emil C Loetscher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:38
CPC Classifications
B; B27; B27B; B27B31/00; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2192; Y10T83/647; Y10T83/6492; Y10T83/6499
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) | 1931-03-06 | 1931-09-05 | 1932-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-03-06 | 1935-09-05 | 1936-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-03-06 | 1939-09-05 | 1940-03-06 | $7700.00 | Window Closed / Lapsed |