US3285419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extractor apparatus drive control
Assignee: Maytag Corp
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Filing: 1963-06-04
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Granted: 1966-11-15
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Expires: 1983-06-04
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:18
CPC Classifications
D; D06; D06F; D06F33/00; D06F33/30; D06F33/48; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2109
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
112 words
IN A CENTRIFUGAL EXTRACTOR, THE COMBINATION COMPRISING: A REVOLUBLE CONTAINER PROVIDED WITH AN ACCESS OPENING; A FRAME MEMBER; MEANS FOR SUPPORTING SAID CONTAINER ON SAID FRAME MEMBER TO PERMIT RELATIVE MOVEMENT THERETO; DRIVE MEANS ALSO INCLUDING BIASING MEANS BELT MEANS, SAID DRIVE MEANS ALSO INCLUDING BIASING MEANS FOR MAINTAINING A PREDETERMINED BELT TENSION TO TRANSMIT TORQUE FOR ROTATING SAID REVOLUBLE CONTAINER AT EXTRACTION SPEEDS; MEANS RESPONSIVE TO MOVEMENT OF SAID CONTAINER DUE TO UNBALANCED LOADING THEREIN FOR DECREASING SAID BELT TENSION AND MAINTAINING THE TENSION AT LESS THAN SAID PREDETERMINED TENSION TO LIMIT TRANSMISSION OF SAID DRIVING TORQUE AMD TO EFFECT ROTATION OF SAID CONTAINER AT A SPEED COMMENSURATE WITH SAID MOVEMENTS.
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |