Patent US1122527A successfully refreshed from Google Patents.
Patent US3361167A successfully refreshed from Google Patents.
US3361167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chipper apparatus and guide therefor
Assignee: Individual
•
Filing: 1966-02-07
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Granted: 1968-01-02
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Expires: 1986-02-07
Abstract
No abstract record available.
Inventors
- 👤 Farnsworth Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:07
CPC Classifications
B; B27; B27L; B27L11/00; B27L11/007; B27C; B27C1/00; B27C1/005; B27L11/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN A CHIPPER APPARATUS, IN COMBINATION WITH A FIXED SUPPORTING FRAMEWORK, A PAIR OF SPACED COAXIAL CUTTING HEADS ROTATABLY SUPPORTED BY THE FRAMEWORK WITH RADIALLY POSITIONED KNIVES MOUNTED THEREON AND PROJECTING INWARDLY THEREFROM. FIRST GUIDE PLATE MEANS ON SAID FRAMEWORK EXTENDING LONGITUDINALLY BETWEEN THE INNER FACES OF THE CUTTING HEADS, SAID FIRST GUIDE PLATE MEANS INCLUDING A LUMBER SUPPORTING SURFACE LYING IN A PLANE PARALLEL TO THE AXIS OF THE CUTTING HEADS; AND PERPENDICULAR SECOND GUIDE PLATE MEANS FIXED TO SAID FIRST PLATE MEANS AND EXTENDING THEREFROM OUTWARD OF THE LUMBER SUPPORTING SURFACE THEREOF, SAID SECOND PLATE MEANS HAVING INWARDLY FACING PLANE SURFACES EXTENDING SUBSTANTIALLY ACROSS THE DIAMETRICAL SPACING OF KNIVES ACROSS THE CUTTING HEADS AND LYING SUBSTANTIALLY ALONG THE INNER PLANES DEFINED BY THE KNIVES.
Claim 2
Dependent Claim
126 words
IN A CHIPPER APPARATUS, IN COMBINATION WITH A FIXED SUPPORTING FRAMEWORK, A PAIR OF SPACED COAXIAL CUTTING HEADS ROTATABLY SUPPORTED BY THE FRAMEWORK WITH RADIALLY POSITIONED KNIVES MOUNTED THEREON AND PROJECTING INWARDLY THEREFROM. FIRST GUIDE PLATE MEANS ON SAID FRAMEWORK EXTENDING LONGITUDINALLY BETWEEN THE INNER FACES OF THE CUTTING HEADS, SAID FIRST GUIDE PLATE MEANS INCLUDING A LUMBER SUPPORTING SURFACE LYING IN A PLANE PARALLEL TO THE AXIS OF THE CUTTING HEADS; AND PERPENDICULAR SECOND GUIDE PLATE MEANS FIXED TO SAID FIRST PLATE MEANS AND EXTENDING THEREFROM OUTWARD OF THE LUMBER SUPPORTING SURFACE THEREOF, SAID SECOND PLATE MEANS HAVING INWARDLY FACING PLANE SURFACES EXTENDING SUBSTANTIALLY ACROSS THE DIAMETRICAL SPACING OF KNIVES ACROSS THE CUTTING HEADS AND LYING SUBSTANTIALLY ALONG THE INNER PLANES DEFINED BY THE KNIVES.
References Cited (Backward Citations)
US3190326A
Cited
US3327747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |