US3096277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic separator
Assignee: Individual
•
Filing: 1961-03-27
•
Granted: 1963-07-02
•
Expires: 1981-03-27
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Maestas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:03
CPC Classifications
B; B03; B03C; B03C7/00; B03C7/02; B03C7/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
IN APPARATUS FOR THE ELECTROSTIC SEPARATION AND CLASSIFICATION OF COMMINUTED MATERIAL OF THE TYPE HAVING AN ENDLESS PRIMARY CONVEYOR BELT WHOSE UPPER SURFACE IS ADAPTED TO MOVE FROM A RECEIVING TERMINAL TO A DISCHARGE TERMINAL, MEANS AT THE RECEIVING TERMINAL ADAPTED TO DEPOSIT MATERIAL UPON THE UPPER SURFACE OF THE BELT, MEANS AT THE DISCHARGE TERMINAL ADAPTED TO RECEIVE MATERIAL DROPPING FROM THE BELT, MEANS IN THE BELT REACH BETWEEN THE TERMINALS INCLUDING ELECTRODE PLATES ABOVE AND UNDERNEATH THE UPPER SURFACE OF THE BELT ADAPTED TO CREATE AN ALTERNATING ELECTROSTATIC FIELD ON THE BELT SURFACE WITH AN INTENSITY SUFFICIENT TO AGITATE AND LIFT ELECTROSTATICALLY SENSITIVE PARTICLES FROM THE BELT SURFACE AND MEANS ADAPTED TO INITIATE A TRANSVERSE MOVEMENT OF THE LIFTED PARTICLES AND SHIFT THEM LATERALLY ACROSS THE BELT AND OVER THE SIDE THEREOF, AND INCLUDING IN COMBUNATION THEREWITH, A SERIES OF GENERALLY LONGITUDINALLY DISPOSED RIFFLES ON THE BELT SURFACE ADAPTED TO INTERRUPT THE LATERAL FLOW OF PARTICLES TO THE SIDE OF THE BELT.
Claim 2
Dependent Claim
164 words
IN APPARATUS FOR THE ELECTROSTIC SEPARATION AND CLASSIFICATION OF COMMINUTED MATERIAL OF THE TYPE HAVING AN ENDLESS PRIMARY CONVEYOR BELT WHOSE UPPER SURFACE IS ADAPTED TO MOVE FROM A RECEIVING TERMINAL TO A DISCHARGE TERMINAL, MEANS AT THE RECEIVING TERMINAL ADAPTED TO DEPOSIT MATERIAL UPON THE UPPER SURFACE OF THE BELT, MEANS AT THE DISCHARGE TERMINAL ADAPTED TO RECEIVE MATERIAL DROPPING FROM THE BELT, MEANS IN THE BELT REACH BETWEEN THE TERMINALS INCLUDING ELECTRODE PLATES ABOVE AND UNDERNEATH THE UPPER SURFACE OF THE BELT ADAPTED TO CREATE AN ALTERNATING ELECTROSTATIC FIELD ON THE BELT SURFACE WITH AN INTENSITY SUFFICIENT TO AGITATE AND LIFT ELECTROSTATICALLY SENSITIVE PARTICLES FROM THE BELT SURFACE AND MEANS ADAPTED TO INITIATE A TRANSVERSE MOVEMENT OF THE LIFTED PARTICLES AND SHIFT THEM LATERALLY ACROSS THE BELT AND OVER THE SIDE THEREOF, AND INCLUDING IN COMBUNATION THEREWITH, A SERIES OF GENERALLY LONGITUDINALLY DISPOSED RIFFLES ON THE BELT SURFACE ADAPTED TO INTERRUPT THE LATERAL FLOW OF PARTICLES TO THE SIDE OF THE BELT.
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) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |