Patent EP0240455B1 successfully refreshed from Google Patents.
US3267652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary cutter
Assignee: LILLISTON IMPLEMENT CO
•
Filing: 1963-08-15
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Granted: 1966-08-23
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Expires: 1983-08-15
Abstract
No abstract record available.
Inventors
- 👤 Douglas E Dahlgren
- 👤 Marvin L Nafziger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:57
CPC Classifications
A; A01; A01D; A01D75/00; A01D75/30; A01D75/303; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/64; A01D34/66; A01D34/661
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A ROTARY CUTTER OF THE TYPE DESCRIBED, SAID ROTARY CUTTER HAVING A PLURALITY OF CUTTING BLADES WITH CUTTING PLANES POSITIONABLE IN THE SAME FLAT PLANE OF REFERENCE AND HAVING MEANS FOR PIVOTING THE CUTTING PLANES WITH RESPECT TO EACH OTHER ABOUT A LINE OF REFERENCE IN THE REFERENCE PLANE, SAID MEANS FOR PIVOTING BEING DISPLACED FROM SAID LINE OF REFERENCE.
Claim 2
Dependent Claim
60 words
A ROTARY CUTTER OF THE TYPE DESCRIBED, SAID ROTARY CUTTER HAVING A PLURALITY OF CUTTING BLADES WITH CUTTING PLANES POSITIONABLE IN THE SAME FLAT PLANE OF REFERENCE AND HAVING MEANS FOR PIVOTING THE CUTTING PLANES WITH RESPECT TO EACH OTHER ABOUT A LINE OF REFERENCE IN THE REFERENCE PLANE, SAID MEANS FOR PIVOTING BEING DISPLACED FROM SAID LINE OF REFERENCE.
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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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |