US3295835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Settling apparatus
Assignee: Union Corp Ltd
•
Filing: 1965-05-11
•
Granted: 1967-01-03
•
Expires: 1985-05-11
Abstract
No abstract record available.
Inventors
- 👤 Daniel R Klopper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:19
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/02; B01D21/04; B01D21/06; B01D21/0003; B01D21/18; B01D21/24; B01D21/2405; B01D21/2427; B01D21/245
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
142 words
SETTLING APPARATUS COMPRISING A SETTLING TANK; ROTARY RAKING MEANS COMPRISING AT LEAST A PAIR OF RAKING BLADE CARRIER ARMS LOCATED WITHIN THE SETTLING TANK IN REQUIRED ANGULAR RELATIONSHIP TO THE HORIZONTAL AND EXTENDING RADIALLY IN CIRCUMFERENTIAL SPACED RELATIONSHIP FROM A COMMON, SUBSTANTIALLY VERTICAL AXIS OF ROTATION, THE CARRIER ARMS BEING MOUNTED TOWARDS THEIR INNER ENDS FOR ROTATION TOGETHER ABOUT THE COMMON VERTICAL AXIS AND EACH CARRIER ARM FURTHER BEING MOUNTED TOWARDS ITS INNER END FOR INDIVIDUAL PIVOTAL MOVEMENT INDEPENDENTLY OF THE OTHER CARRIER ARM ABOUT BOTH A SUBSTANTIALLY HORIZONTAL AXIS AND A SUBSTANTIALLY VERTICAL AXIS; AND AT LEAST ONE ELONGATED DRAUGHT ELEMENT SECURED TO EACH CARRIER ARM, WHEREBY DRAUGHT FORCE ACTING ALONG A CLOSED PATH ABOUT THE VERTICAL AXIS OF ROTATION OF THE CARRIER ARMS IS APPLICABLE TO EACH DRAUGHT ELEMENT IN A POSITION ABOVE AND IN ADVANCE OF ITS CARRIER ARM.
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |