Patent US3211009A successfully refreshed from Google Patents.
US3211009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balancing machine
Assignee: International Research and Development Co Ltd
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Filing: 1961-01-18
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Granted: 1965-10-12
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Expires: 1981-01-18
Abstract
No abstract record available.
Inventors
- 👤 Eugene R Lucka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:54
CPC Classifications
G; G01; G01M; G01M1/00; G01M1/14; G01M1/16; G01M1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
IN A BALANCING APPARATUS ADAPTED TO BE CONNECTED TO A PAIR OF PICKUPS FOR TWO PLANE BALANCING OF A ROTATING ROTOR, A REFERENCE OPERATOR CONNECTABLE TO AT LEAST ONE OF SAID PICKUPS TO BE ENERGIZED THEREBY TO PRODUCE A REFENCE SIGNAL OF FIXED AMPLITUDE AND ADJUSTABLE PHASE, A PAIR OF COMPENSATOR OPERATORS CAPABLE OF ADJUSTING THE PHASE AND AMPLITUDE OF A SIGNAL FED THERETO, SAID REFERENCE OPERATOR BEING CONNECTABLE TO EACH OF SAID COMPENSATORS OPERATORS, A PAIR OF MIXERS FOR MIXING THE OUTPUTS OF SAID PICKUPS AND THE OUTPUTS OF SAID COMPENSATOR OPERATORS, MEANS FOR CONNECTING THE OUTPUT OF SAID REFENCE OPERATOR TO SAID COMPENSATOR OPERATORS, AND MEANS FOR CONNECTING ONE OF SAID PICKUPS AND THE OUTPUT OF ONE OF SAID COMPENSATOR OPERATORS TO ONE OF SAID MIXTERS AND FOR CONNECTING THE OTHER PICKUP AND THE OTHER COMPENSATOR OPERATOR TO THE OTHER OF SAID MIXERS TO PRODUCE OUTPUT SIGNALS FROM SAID MIXERS WHICH SIMULTE THOSE WHICH WOULD BE OBTAINED FROM A BALANCE ROTOR.
Claim 2
Dependent Claim
163 words
IN A BALANCING APPARATUS ADAPTED TO BE CONNECTED TO A PAIR OF PICKUPS FOR TWO PLANE BALANCING OF A ROTATING ROTOR, A REFERENCE OPERATOR CONNECTABLE TO AT LEAST ONE OF SAID PICKUPS TO BE ENERGIZED THEREBY TO PRODUCE A REFENCE SIGNAL OF FIXED AMPLITUDE AND ADJUSTABLE PHASE, A PAIR OF COMPENSATOR OPERATORS CAPABLE OF ADJUSTING THE PHASE AND AMPLITUDE OF A SIGNAL FED THERETO, SAID REFERENCE OPERATOR BEING CONNECTABLE TO EACH OF SAID COMPENSATORS OPERATORS, A PAIR OF MIXERS FOR MIXING THE OUTPUTS OF SAID PICKUPS AND THE OUTPUTS OF SAID COMPENSATOR OPERATORS, MEANS FOR CONNECTING THE OUTPUT OF SAID REFENCE OPERATOR TO SAID COMPENSATOR OPERATORS, AND MEANS FOR CONNECTING ONE OF SAID PICKUPS AND THE OUTPUT OF ONE OF SAID COMPENSATOR OPERATORS TO ONE OF SAID MIXTERS AND FOR CONNECTING THE OTHER PICKUP AND THE OTHER COMPENSATOR OPERATOR TO THE OTHER OF SAID MIXERS TO PRODUCE OUTPUT SIGNALS FROM SAID MIXERS WHICH SIMULTE THOSE WHICH WOULD BE OBTAINED FROM A BALANCE ROTOR.
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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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |