US3314459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wood chipping apparatus
Assignee: Individual
•
Filing: 1964-03-03
•
Granted: 1967-04-18
•
Expires: 1984-03-03
Abstract
No abstract record available.
Inventors
- 👤 Eugene F Beaubien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:51
CPC Classifications
B; B27; B27L; B27L11/00; B27L11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
WOOD CHIPPING APPARATUS COMPRISING A ROTATABLE HOLLOW DRUM HAVING A PLURALITY OF AXIALLY SPACED OPENINGS IN A PERIPHERAL WALL THEREOF, A PLURALITY OF CHIPPER BLADES MOUNTED IN THE DRUM ONE AT AND PROJECTING OUTWARDLY FROM EACH OPENING, EACH BLADE BEING INCLINED IN THE DIRECTION OF ROTATION OF THE DRUM AND HAVING A CUTTING EDGE ON AN OUTER END THEREOF FACING SUBSTANTIALLY IN SAID DIRECTION OF ROTATION, AN ANVIL EXTENDING AXIALLY OF SAID DRUM AND SPACED FROM THE DRUM PERIPHERAL WALL, AND A PLURALITY OF AXIALLY SPACED BLADES ON THE ANVIL EXTENDING IN SUBSTANTIALLY THE OPPOSITE DIRECTION TO THE DRUM BLADES, SAID DRUM BLADES BEING AXIALLY OFFSET RELATIVE TO THE ANVIL BLADES AND POSITIONED TO PASS THEREBETWEEN WHEN THE DRUM IS ROTATED, EACH DRUM BLADE BEING OF INVERTED USHAPE IN CROSS SECTION WITH REFERENCE TO THE DIRECTION OF ROTATION OF THE DRUM, WHEREBY CHIPS CUT BY EACH DRUM BLADE CAN TRAVEL WITHIN THE LATTER BLADE INTO SAID DRUM.
Claim 2
Dependent Claim
157 words
WOOD CHIPPING APPARATUS COMPRISING A ROTATABLE HOLLOW DRUM HAVING A PLURALITY OF AXIALLY SPACED OPENINGS IN A PERIPHERAL WALL THEREOF, A PLURALITY OF CHIPPER BLADES MOUNTED IN THE DRUM ONE AT AND PROJECTING OUTWARDLY FROM EACH OPENING, EACH BLADE BEING INCLINED IN THE DIRECTION OF ROTATION OF THE DRUM AND HAVING A CUTTING EDGE ON AN OUTER END THEREOF FACING SUBSTANTIALLY IN SAID DIRECTION OF ROTATION, AN ANVIL EXTENDING AXIALLY OF SAID DRUM AND SPACED FROM THE DRUM PERIPHERAL WALL, AND A PLURALITY OF AXIALLY SPACED BLADES ON THE ANVIL EXTENDING IN SUBSTANTIALLY THE OPPOSITE DIRECTION TO THE DRUM BLADES, SAID DRUM BLADES BEING AXIALLY OFFSET RELATIVE TO THE ANVIL BLADES AND POSITIONED TO PASS THEREBETWEEN WHEN THE DRUM IS ROTATED, EACH DRUM BLADE BEING OF INVERTED USHAPE IN CROSS SECTION WITH REFERENCE TO THE DIRECTION OF ROTATION OF THE DRUM, WHEREBY CHIPS CUT BY EACH DRUM BLADE CAN TRAVEL WITHIN THE LATTER BLADE INTO SAID DRUM.
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) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |