US3412770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable pulverizer
Assignee: HURSEL F JOHNSON
•
Filing: 1966-12-07
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Granted: 1968-11-26
•
Expires: 1986-12-07
Abstract
No abstract record available.
Inventors
- 👤 Hursel F Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:12
CPC Classifications
A; A01; A01G; A01G3/00; A01G3/002; A01G2003/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A DEVICE OF THE CHARACTER DESCRIBED, COMPRISING A HORIZONTAL ROTOR HOUSING, SAID HOUSING HAVING TOP AND BOTTOM WALLS, AND A SIDE WALL EXTENDING BETWEEN SAID TOP AND BOTTOM WALLS, SAID SIDE WALL BEING CIRCULAR FOR A MAJOR PORTION OF ITS LENGTH, SAID SIDE WALL BEING FORMED WITH TANGENTIAL PORTIONS, SAID TANGENTIAL PORTIONS HAVING END PORTION EXTENDING BEYOND SAID BOTTOM WALL AND DEFINING A DISCHARGE CHUTE, VERTICAL AXIS ROTOR DISPOSED WITHIN SAID HOUSING AND CONCENTRIC WITH THE CIRCULAR PART OF SAID SIDE WALL, SAID ROTOR COMPRISING CROSSES AND INTERSECTING BLADE ASSEMBLIES, EACH OF SAID ASSEMBLIES COMPRISING VERTICALLY SPACED PLATES, SAID PLATES HAVING ENDS RUNNING CLOSURE TO SAID SIDE WALL, AND VERTICALLY SPACED HORIZONTAL FIXED BLADES ON THE SAID SIDE WALL AND EXTENDING INWARDLY THEREFROM, SAID FIXED BLADES BEING INTERDIGITATED WITH THE PLATES OF THE BLADE ASSEMBLIES, MEANS JOURNALLING THE ROTOR IN THE HOUSING, AND MEANS FOR ROTATING THE ROTOR IN A DIRECTION TOWARD SAID CHUTE.
Claim 2
Independent Claim
154 words
A DEVICE OF THE CHARACTER DESCRIBED, COMPRISING A HORIZONTAL ROTOR HOUSING, SAID HOUSING HAVING TOP AND BOTTOM WALLS, AND A SIDE WALL EXTENDING BETWEEN SAID TOP AND BOTTOM WALLS, SAID SIDE WALL BEING CIRCULAR FOR A MAJOR PORTION OF ITS LENGTH, SAID SIDE WALL BEING FORMED WITH TANGENTIAL PORTIONS, SAID TANGENTIAL PORTIONS HAVING END PORTION EXTENDING BEYOND SAID BOTTOM WALL AND DEFINING A DISCHARGE CHUTE, VERTICAL AXIS ROTOR DISPOSED WITHIN SAID HOUSING AND CONCENTRIC WITH THE CIRCULAR PART OF SAID SIDE WALL, SAID ROTOR COMPRISING CROSSES AND INTERSECTING BLADE ASSEMBLIES, EACH OF SAID ASSEMBLIES COMPRISING VERTICALLY SPACED PLATES, SAID PLATES HAVING ENDS RUNNING CLOSURE TO SAID SIDE WALL, AND VERTICALLY SPACED HORIZONTAL FIXED BLADES ON THE SAID SIDE WALL AND EXTENDING INWARDLY THEREFROM, SAID FIXED BLADES BEING INTERDIGITATED WITH THE PLATES OF THE BLADE ASSEMBLIES, MEANS JOURNALLING THE ROTOR IN THE HOUSING, AND MEANS FOR ROTATING THE ROTOR IN A DIRECTION TOWARD SAID CHUTE.
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) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |