US3548570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutter blade continuously automatically adjustable responsive to change in resistance to its operation
Assignee: Thomson International Co
•
Filing: 1967-09-11
•
Granted: 1970-12-22
•
Expires: 1987-09-11
Abstract
No abstract record available.
Inventors
- 👤 Benjamin F Knott
- 👤 Charles W Suggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:36
CPC Classifications
A; A01; A01D; A01D45/00; A01D45/10; Y; Y10; Y10S; Y10S56/00; Y10S56/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US885834A
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US2212751A
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US2748552A
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US2804751A
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US2846094A
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US2788629A
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US3002330A
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US2969601A
Cited
US3090185A
Cited
US3091874A
Cited
US3223180A
Cited
US3233680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |