US2570845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary chipper-knife mounting
Assignee: Individual
•
Filing: 1946-03-29
•
Granted: 1951-10-09
•
Expires: 1966-03-29
Abstract
No abstract record available.
Inventors
- 👤 Peter N Ottersland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:55
CPC Classifications
B; B27; B27L; B27L11/00; B27L11/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US286980A
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US375059A
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US384491A
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US812078A
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US835156A
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US1688913A
Cited
US1921183A
Cited
US2085603A
Cited
US2337407A
Cited
US2388799A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |