Patent US4086074A successfully refreshed from Google Patents.
US1712291A
Expired / Lapsed
US
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Sawing-unit attachment for tractors
Assignee: Individual
•
Filing: 1926-04-17
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Granted: 1929-05-07
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Expires: 1946-04-17
Abstract
No abstract record available.
Inventors
- 👤 Henry J Byrne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:34
CPC Classifications
B; B27; B27B; B27B5/00; B27B5/10; A; A44; A44B; A44B11/00; Y; Y10; Y10S; Y10S83/00; Y10S83/928; Y10T; Y10T83/00; Y10T83/727; Y10T83/739
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) | 1932-05-06 | 1932-11-05 | 1933-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-05-06 | 1936-11-05 | 1937-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-05-06 | 1940-11-05 | 1941-05-07 | $7700.00 | Window Closed / Lapsed |