Patent US3123311A successfully refreshed from Google Patents.
US3123311A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wood chipper
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
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Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:35
CPC Classifications
B; B27; B27L; B27L11/00; B27L11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A METHOD OF REDUCING AN ELONGATED SLAB OF WOOD INTO WOOD CHIPS IN A WOOD CHIPPER HAVING A CHIPPER DISC ROTATING ABOUT A HORIZONTAL AXIS WITH A PLURALITY OF CHIPPER KNIVES ON ONE FACE MOVING PAST A FIXED VERTICAL ANVIL POSITIONED GENERALLY PARALLEL TO THE VERTICAL RADIUS OF THE DISC, INCLUDING THE STEPS OF POSITIONING A SLAB BELOW THE AXIS OF ROTATION OF THE DISC, FEEDING THE SLAB HORIZONTALLY AT AN ACUTE ANGLE TO THE FACE OF THE DISC, CONTACTING THE SLAB IN AN ON-EDGE RELATIONSHIP WITH THE CHIPPER KNIVES, KEEPING THE WIDTH OF THE SLAB AGAINST THE ANVIL, AND MAINTAINING THE SLAB IN ON-EDGE RELATIONSHIP WITH THE DISC SO THAT THE KNIVES CUT ACROSS THE SLAB.
Claim 2
Independent Claim
117 words
A METHOD OF REDUCING AN ELONGATED SLAB OF WOOD INTO WOOD CHIPS IN A WOOD CHIPPER HAVING A CHIPPER DISC ROTATING ABOUT A HORIZONTAL AXIS WITH A PLURALITY OF CHIPPER KNIVES ON ONE FACE MOVING PAST A FIXED VERTICAL ANVIL POSITIONED GENERALLY PARALLEL TO THE VERTICAL RADIUS OF THE DISC, INCLUDING THE STEPS OF POSITIONING A SLAB BELOW THE AXIS OF ROTATION OF THE DISC, FEEDING THE SLAB HORIZONTALLY AT AN ACUTE ANGLE TO THE FACE OF THE DISC, CONTACTING THE SLAB IN AN ON-EDGE RELATIONSHIP WITH THE CHIPPER KNIVES, KEEPING THE WIDTH OF THE SLAB AGAINST THE ANVIL, AND MAINTAINING THE SLAB IN ON-EDGE RELATIONSHIP WITH THE DISC SO THAT THE KNIVES CUT ACROSS THE SLAB.
References Cited (Backward Citations)
US2566721A
Cited
US2712904A
Cited
US2963059A
Cited
US3069101A
Cited
US3061207A
Cited
US3047244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |