US3558484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separating apparatus
Assignee: WAYNE F CARR
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Filing: 1969-12-11
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Granted: 1971-01-26
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Expires: 1989-12-11
Abstract
Abstract A MEANS AND METHOD FOR CONTROLLING THE SEPARATION OF GOOD FIBERS FROM FIBER BUNDLES AND MINERAL DIRT, WITHIN A CENTRIFUGAL SEPARATOR, BY DISPOSING WITHIN THE ACCEPT FLOW PATH A SCREEN FOR SEPARATING ELEMENTS RO IMPURITIES OF A HIGHER SPECIFIC GRAVITY AND/OR GREATER SHAPE THAN THAT OF THE ACCEPTED MIXTURE.
Inventors
- 👤 Wayne F Carr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:34
CPC Classifications
B; B04; B04C; B04C5/00; B04C5/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |