Patent US547252A successfully refreshed from Google Patents.
Patent US3346027A successfully refreshed from Google Patents.
US3346027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knife disc wood cutting machine
Assignee: Individual
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Filing: 1965-08-19
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Granted: 1967-10-10
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Expires: 1985-08-19
Abstract
No abstract record available.
Inventors
- 👤 Kirsten Paul Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:25
CPC Classifications
B; B27; B27L; B27L11/00; B27L11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
IN A WOOD CUTTING MACHINE HAVING A ROTATABLY MOUNTED CUTTING HEAD AND MEANS FOR ROTATING SAID HEAD IN ONE DIRECTION, SAID CUTTING HEAD COMPRISING SPACED FRONT AND REAR DISKS, MEANS BETWEEN SAID DISKS PROVIDING CHANNELS HAVING DISCHARGE OPENINGS ADJACENT THE CIRCUMFERENCE OF SAID HEAD, AND MEANS COMPRISING CUTTING KNIVES AND PROVIDING SLOTS RESPECTIVELY OPENING INTO SAID CHANNELS FOR DELIVERY THERETO OF THE CUTTINGS FROM SAID KNIVES, SAID CUT TING HEAD HAVING AT THE CENTRAL AREA THEREOF MEANS FOR ADMITTING AIR TO SAID CHANNELS FOR OUTWARD FLOW THERETHROUGH FOR DISCHARGE OF SAID AIR AND CUTTINGS THROUGH SAID DISCHARGE OPENINGS.
Claim 2
Dependent Claim
98 words
IN A WOOD CUTTING MACHINE HAVING A ROTATABLY MOUNTED CUTTING HEAD AND MEANS FOR ROTATING SAID HEAD IN ONE DIRECTION, SAID CUTTING HEAD COMPRISING SPACED FRONT AND REAR DISKS, MEANS BETWEEN SAID DISKS PROVIDING CHANNELS HAVING DISCHARGE OPENINGS ADJACENT THE CIRCUMFERENCE OF SAID HEAD, AND MEANS COMPRISING CUTTING KNIVES AND PROVIDING SLOTS RESPECTIVELY OPENING INTO SAID CHANNELS FOR DELIVERY THERETO OF THE CUTTINGS FROM SAID KNIVES, SAID CUT TING HEAD HAVING AT THE CENTRAL AREA THEREOF MEANS FOR ADMITTING AIR TO SAID CHANNELS FOR OUTWARD FLOW THERETHROUGH FOR DISCHARGE OF SAID AIR AND CUTTINGS THROUGH SAID DISCHARGE OPENINGS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |