US3075700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controller
Assignee: —
•
Filing: —
•
Granted: 1963-01-29
•
Expires: 1980-01-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:49
CPC Classifications
G; G05; G05B; G05B15/00; G05B15/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
135 words
AN INDUSTRIAL PROCESS CONTROL SYSTEM COMPRISING A PLURALITY OF CONTROLLED PROCESS VARIABLES FOR CONTROLLING THE CHARACTERISTICS OF THE PRODUCT PRODUCED BY SAID PROCESS, MEANS FOR SENSING AT LEAST ONE OF SAID CHARACTERISTICS OF SAID PRODUCT, MEANS RESPONSIVE TO SAID SENSING MEANS AND A STANDARD FOR SAID CHARACTERISTIC FOR GENERATING AN ERROR SIGNAL, MEANS FOR SENSING AT LEAST TWO OF SAID PROCESS VARIABLES, MEANS RESPONSIVE TO THE SENSED VALUES OF SAID VARIABLES AND THE SENSED VALUE OF SAID CHARACTERISTIC FOR PERIODICALLY COMPUTING THE REGRESSION COEFFICIENTS BETWEEN EACH OF SAID VARIABLES AND SAID CHARACTERISTIC, MEANS FOR STORING DISCRETE VALUES OF SAID COMPUTED REGRESSION COEFFICIENTS AT THE END OF EACH PERIODIC COMPUTATION, MEANS FOR APPLYING CORRECTIONS TO SAID SENSED PROCESS VARIABLES, AND MEANS FOR DISTRIBUTING CORRECTIONS FROM SAID DISCRETE VALUES IN STORAGE AMONG SAID PROCESS VARIABLES IN ACCORD-
References Cited (Backward Citations)
US2712414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |