US3135684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separating pulverous or granular material from a carrier medium
Assignee: Cementfabrik Holderbank-Wildegg A-G
•
Filing: 1959-12-30
•
Granted: 1964-06-02
•
Expires: 1979-12-30
Abstract
No abstract record available.
Inventors
- 👤 Ackeret Jakob
- 👤 Wieland Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:35
CPC Classifications
B; B07; B07B; B07B7/00; B07B7/08; Y; Y10; Y10S; Y10S494/00; Y10S494/90
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
109 words
AN APPARATUS FOR CLASSIFYING PULVEROUS OR GRANULAR MATERIAL COMPRISING A SUBSTANTIALLY CYLINDRICCAL JACKET HAVING AN INLET AND AN OUTLET AXIALLY SPACED FROM SAID INLET, SAID JACKET DEFINING BETWEEN SAID INLET AND OUTLET A SEPARATING CHAMBER: BEARING MEANS ARRANGED TO SUPPORT SAID JACKET FOR ROTATION ABOUT ITS AXIS: MOTOR MEANS CONNECTED WITH SAID JACKET FOR ROTATING IT: MEANS ARRANGED AT THE INLET END OF THE JACKET FOR SUPPLYING A WHIRLING BODY OF A CARRIER MEDIUM TO SAID SEPARATING CHAMBER SO THAT THE MEDIUM PASSES AXIALLY THROUGH SAID CHAMBER TOWARD THE OUTLET END OF THE JACKET WHILE HAVING A ROTATIONAL MOVEMENT ABOUT THE AXIS OF THE JACKET IN THE SAME DIRECTION
References Cited (Backward Citations)
US424042A
Cited
US582318A
Cited
US631680A
Cited
US980001A
Cited
US2102525A
Cited
US2113885A
Cited
US2272675A
Cited
US2561840A
Cited
US2357527A
Cited
US2947471A
Cited
US2822126A
Cited
US2744338A
Cited
US2804163A
Cited
US3096282A
Cited
US3092583A
Cited
US3074627A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |