US3158362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of blending granular materials
Assignee: Acheson Industries Inc
•
Filing: 1962-06-07
•
Granted: 1964-11-24
•
Expires: 1982-06-07
Abstract
No abstract record available.
Inventors
- 👤 John H Seifarth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:17
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/80; B01F25/82; B01F25/821
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
THE METHOD OF UNIFORMLY MIXING SOLID PARTICULATED MATERIALS WHICH COMPRISES THE STEPS OF CONSOLIDATING THE MATERIALS TO BE MIXED IN A TANK, WITHDRAWING THE CONSOLIDATED MATERIAL FROM SAID TANK IN SUBSTANTIALLY EQUAL AMOUNTS AT A PLURALITY OF DIVERSE GEOMETRICALLY SIMILAR LOCATIONS TO ACHIEVE UNIFORM SAMPLING OF THE MATERIAL THEREIN, TRANSFERRING THE MATERIAL WITHDRAWN DOWNWARDLY THROUGH A PLURALITY OF CONDUITS BY GRAVITY, DISCHARGING THE MATERIAL FROM EACH OF SAID PLURALITY OF CONDUITS INTO A COLLECTOR MANIFOLD AT SUBSTANTIALLY THE SAME DISCHARGE LEVEL, ALLOWING THE LEVEL OF THE MATERIAL IN SAID MANIFOLD TO RISE TO A LEVEL WHEREIN AT LEAST A PORTION OF THE DISCHARGE OPENING OF EACH OF SAID PLURALITY OF CONDUITS IS BLOCKED WITH MATERIAL MAINTAINING A CONTROLLED GRAVITATIONAL DISCHARGE OF MATERIAL THEREFROM INTO SAID MANIFOLD, AND WITHDRAWING THE MATERIAL FROM SAID MANIFOLD BELOW THE UPPER SURFACE OF THE MATERIAL AT A CONTROLLED RATE AND MAINTAINING AT LEAST A PARTIAL BLOCKING OF EACH OF SAID DISCHARGE OPENINGS.
Claim 2
Independent Claim
157 words
THE METHOD OF UNIFORMLY MIXING SOLID PARTICULATED MATERIALS WHICH COMPRISES THE STEPS OF CONSOLIDATING THE MATERIALS TO BE MIXED IN A TANK, WITHDRAWING THE CONSOLIDATED MATERIAL FROM SAID TANK IN SUBSTANTIALLY EQUAL AMOUNTS AT A PLURALITY OF DIVERSE GEOMETRICALLY SIMILAR LOCATIONS TO ACHIEVE UNIFORM SAMPLING OF THE MATERIAL THEREIN, TRANSFERRING THE MATERIAL WITHDRAWN DOWNWARDLY THROUGH A PLURALITY OF CONDUITS BY GRAVITY, DISCHARGING THE MATERIAL FROM EACH OF SAID PLURALITY OF CONDUITS INTO A COLLECTOR MANIFOLD AT SUBSTANTIALLY THE SAME DISCHARGE LEVEL, ALLOWING THE LEVEL OF THE MATERIAL IN SAID MANIFOLD TO RISE TO A LEVEL WHEREIN AT LEAST A PORTION OF THE DISCHARGE OPENING OF EACH OF SAID PLURALITY OF CONDUITS IS BLOCKED WITH MATERIAL MAINTAINING A CONTROLLED GRAVITATIONAL DISCHARGE OF MATERIAL THEREFROM INTO SAID MANIFOLD, AND WITHDRAWING THE MATERIAL FROM SAID MANIFOLD BELOW THE UPPER SURFACE OF THE MATERIAL AT A CONTROLLED RATE AND MAINTAINING AT LEAST A PARTIAL BLOCKING OF EACH OF SAID DISCHARGE OPENINGS.
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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |