US3089474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Peak seeking controller
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1961-01-03
•
Granted: 1963-05-14
•
Expires: 1981-01-03
Abstract
No abstract record available.
Inventors
- 👤 Oliver G Lewis
- 👤 Albert F Pearce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:53
CPC Classifications
G; G05; G05B; G05B13/00; G05B13/02; G05B13/0205; G05B13/021; G05B13/0215; A; A01; A01K; A01K43/00; A01K43/04; A01K43/06; Y; Y10; Y10S; Y10S236/00; Y10S236/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A CONTROL MECHANISM FOR MACHINERY WHICH COMPRISES IN COMBINATION, A STABLIZING MEANS FOR AN OPERATING MACHINE COMPRISING MEANS FOR SENSING CHANGES IN AT LEAST ONE ELEMENT OF POWER INPUT INTO SAID MACHINE, ANOTHER MEANS FOR SENSING A SECONDARY EFFECT OF SUCH POWER INPUT AND FOLLOWING IT UNTIL SAID SECONDARY EFFECT REACHES A DESIRED OPTIMUM VALUE, AND ANOTHER MEANS FOR ALTERING THE RATE OF CHANGE IN SAID ELEMENT WHEN SAID SECOND SENSING MEANS SENSES SAID OPTIMUM VALUE.
Claim 2
Dependent Claim
76 words
A CONTROL MECHANISM FOR MACHINERY WHICH COMPRISES IN COMBINATION, A STABLIZING MEANS FOR AN OPERATING MACHINE COMPRISING MEANS FOR SENSING CHANGES IN AT LEAST ONE ELEMENT OF POWER INPUT INTO SAID MACHINE, ANOTHER MEANS FOR SENSING A SECONDARY EFFECT OF SUCH POWER INPUT AND FOLLOWING IT UNTIL SAID SECONDARY EFFECT REACHES A DESIRED OPTIMUM VALUE, AND ANOTHER MEANS FOR ALTERING THE RATE OF CHANGE IN SAID ELEMENT WHEN SAID SECOND SENSING MEANS SENSES SAID OPTIMUM VALUE.
References Cited (Backward Citations)
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US2355090A
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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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |