Patent US3228604A successfully refreshed from Google Patents.
US3228604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control mechanism with intermediate correction state and with time delay for stabilization
Assignee: Individual
•
Filing: 1962-10-23
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Granted: 1966-01-11
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Expires: 1982-10-23
Abstract
No abstract record available.
Inventors
- 👤 Louis J Newman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:46
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/1951
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A CONTROL SYSTEM COMPRISING A SENSOR RESPONSIVE TO A CONDITION TO BE REGULATED AND HAVING A CONTACT MOVABLE BETWEEN SPACED ELECTRICAL CONTACTS, CIRCUITRY INCLUDING SAID CONTACTS CONTROLLING A TIME DELAY RELAY, SAID RELAY CONTROLLING A CAM SHAFT MOTOR FOR TURNING A CAM SHAFT, CORRECTIVE APPARATUS FOR CONTROLLING THE CONDITION TO BE REGULATED, CONTROL CAMS ON SAID SHAFT CORRESPONDING TO "ON" AND "OFF" AND ONE OR MORE INTERMEDIATE STATES OF THE CORRECTIVE APPARATUS, A LOAD CAM ON SAID CAM SHAFT FOR OPERATING A LOAD SWITCH FOR CONTROLLING THE CORRECTIVE APPARATUS, AND MEANS INCLUDING CONTROL SWITCHES CONTROLLED BY SAID CONTROL CAMS AND CONNECTED IN THE ATORE-
Claim 2
Dependent Claim
104 words
A CONTROL SYSTEM COMPRISING A SENSOR RESPONSIVE TO A CONDITION TO BE REGULATED AND HAVING A CONTACT MOVABLE BETWEEN SPACED ELECTRICAL CONTACTS, CIRCUITRY INCLUDING SAID CONTACTS CONTROLLING A TIME DELAY RELAY, SAID RELAY CONTROLLING A CAM SHAFT MOTOR FOR TURNING A CAM SHAFT, CORRECTIVE APPARATUS FOR CONTROLLING THE CONDITION TO BE REGULATED, CONTROL CAMS ON SAID SHAFT CORRESPONDING TO "ON" AND "OFF" AND ONE OR MORE INTERMEDIATE STATES OF THE CORRECTIVE APPARATUS, A LOAD CAM ON SAID CAM SHAFT FOR OPERATING A LOAD SWITCH FOR CONTROLLING THE CORRECTIVE APPARATUS, AND MEANS INCLUDING CONTROL SWITCHES CONTROLLED BY SAID CONTROL CAMS AND CONNECTED IN THE ATORE-
References Cited (Backward Citations)
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US2216597A
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US2325707A
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US2468830A
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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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |