US3332461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chipper feed spout
Assignee: Individual
•
Filing: 1965-03-12
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Granted: 1967-07-25
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Expires: 1985-03-12
Abstract
No abstract record available.
Inventors
- 👤 Ledergerber Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:26
CPC Classifications
B; B27; B27L; B27L11/00; B27L11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
IN A WOOD CHIPPER OF THE TYPE HAVING A ROTARY DISC ROTATING IN A VERTICAL PLANE, SAID ROTARY DISC HAVING A PLURALITY OF CUTTING KNIVES ON ONE FACE OF THE DISC, AND A FEED SPOUT EXTENDING INTO THE WOOD CHIPPER FOR DELIVERING A LENGHT OF WOOD INTO THE FACE OF THE ROTARY DISC, THE IMPROVEMENT IN SAID FEED SPOUT WHICH COMPRISES: AN ANVIL CARRIED BY A SIDE WALL OF SAID FEED SPOUT, SAID ANVIL BEING PARALLEL TO AND COACTING WITH THE CUTTING FACE OF SAID ROTARY DICS; SAID SIDE WALL DIVERGING DOWNWARDLY AND OUTWARDLY AWAY FROM A VERTICAL PLANE TAKEN THROUGH THE CENTRAL LONGITUDINAL AXIS OF THE FEED SPOUT; SAID ANVIL BEING CARRIED COEXTENSIVELY WITH THE SIDE WALL WHEREBY SAID ANVIL COACTS WITH THE CUTTING EDGES OF SAID KNIVES ON A NON-VERTICAL PLANE.
Claim 2
Dependent Claim
133 words
IN A WOOD CHIPPER OF THE TYPE HAVING A ROTARY DISC ROTATING IN A VERTICAL PLANE, SAID ROTARY DISC HAVING A PLURALITY OF CUTTING KNIVES ON ONE FACE OF THE DISC, AND A FEED SPOUT EXTENDING INTO THE WOOD CHIPPER FOR DELIVERING A LENGHT OF WOOD INTO THE FACE OF THE ROTARY DISC, THE IMPROVEMENT IN SAID FEED SPOUT WHICH COMPRISES: AN ANVIL CARRIED BY A SIDE WALL OF SAID FEED SPOUT, SAID ANVIL BEING PARALLEL TO AND COACTING WITH THE CUTTING FACE OF SAID ROTARY DICS; SAID SIDE WALL DIVERGING DOWNWARDLY AND OUTWARDLY AWAY FROM A VERTICAL PLANE TAKEN THROUGH THE CENTRAL LONGITUDINAL AXIS OF THE FEED SPOUT; SAID ANVIL BEING CARRIED COEXTENSIVELY WITH THE SIDE WALL WHEREBY SAID ANVIL COACTS WITH THE CUTTING EDGES OF SAID KNIVES ON A NON-VERTICAL PLANE.
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |