US3226016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Industrial centrifuges
Assignee: Monsanto Chemicals Australia Ltd
•
Filing: 1962-07-09
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Granted: 1965-12-28
•
Expires: 1982-07-09
Abstract
No abstract record available.
Inventors
- 👤 Couper Mervyn George
- 👤 Doubleday Lindsay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:21
CPC Classifications
B; B04; B04B; B04B9/00; B04B9/14; B04B9/146; B04B13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
AN IMBALANCE-OF-ROTATION ARRESTING MEANS FOR USE WITH AN INDUSTRIAL CENTRIFUGE EQUIPPED WITH A ROTATABLY MOUNTED CENTRIFUGE BASKET, AN ELECTRICAL DRIVE MOTOR ASSOCIATED WITH SAID CENTRIFUGE FOR DRIVING SAID CENTRIFUGE BASKET, AND A BRAKE FOR RETARDING THE ROTATIONAL MOVEMENT OF THE CENTRIFUGE BASKET; SAID IMBALANCE-OF-ROTATION ARRESTING MEANS COMPRISING A RESONANT REED DEVICE OPERATIVELY ASSOCIATED WITH SAID CENTRIFUGE AND BEING RESONANTRESPONSIVE TO CENTRIFUGE BASKET IMBALANCE-OF-ROTATION FREQUENCY OF VIBRATION, SAID RESONANT REED DEVICE BEING SUBSTANTIALLY COAXIALLY ALIGNED WITH THE CENTER OF ROTATION OF SAID CENTRIFUGE BASKET, MEANS OPERATIVELY ASSOCIATED WITH SAID RESONANT REED DEVICE AND SAID ELECTRICAL DRIVE MOTOR FOR DE-ENERGIZING SAID ELECTRICAL DRIVE MOTOR, SAID LAST NAMED MEANS BEING ACTUATED WHEN SAID RESONANT REED DEVICE RESONANTES RESPONSIVE TO SAID CENTRIFUGE BASKET IMBALANCE-OF-ROTATION FREQUENCY OF VIBRATION, MEANS OPERATIVELY ASSOCIATED WITH SAID RESONANT REED DEVICE AND SAID BRAKE FOR ACTUATING SAID CENTRIFUGE BASKET BRAKE
Claim 2
Dependent Claim
140 words
AN IMBALANCE-OF-ROTATION ARRESTING MEANS FOR USE WITH AN INDUSTRIAL CENTRIFUGE EQUIPPED WITH A ROTATABLY MOUNTED CENTRIFUGE BASKET, AN ELECTRICAL DRIVE MOTOR ASSOCIATED WITH SAID CENTRIFUGE FOR DRIVING SAID CENTRIFUGE BASKET, AND A BRAKE FOR RETARDING THE ROTATIONAL MOVEMENT OF THE CENTRIFUGE BASKET; SAID IMBALANCE-OF-ROTATION ARRESTING MEANS COMPRISING A RESONANT REED DEVICE OPERATIVELY ASSOCIATED WITH SAID CENTRIFUGE AND BEING RESONANTRESPONSIVE TO CENTRIFUGE BASKET IMBALANCE-OF-ROTATION FREQUENCY OF VIBRATION, SAID RESONANT REED DEVICE BEING SUBSTANTIALLY COAXIALLY ALIGNED WITH THE CENTER OF ROTATION OF SAID CENTRIFUGE BASKET, MEANS OPERATIVELY ASSOCIATED WITH SAID RESONANT REED DEVICE AND SAID ELECTRICAL DRIVE MOTOR FOR DE-ENERGIZING SAID ELECTRICAL DRIVE MOTOR, SAID LAST NAMED MEANS BEING ACTUATED WHEN SAID RESONANT REED DEVICE RESONANTES RESPONSIVE TO SAID CENTRIFUGE BASKET IMBALANCE-OF-ROTATION FREQUENCY OF VIBRATION, MEANS OPERATIVELY ASSOCIATED WITH SAID RESONANT REED DEVICE AND SAID BRAKE FOR ACTUATING SAID CENTRIFUGE BASKET BRAKE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |