US3230328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable pressure switch having positive reset means
Assignee: Controls Company of America
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Filing: 1962-08-23
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Granted: 1966-01-18
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Expires: 1982-08-23
Abstract
No abstract record available.
Inventors
- 👤 Howard R Chapin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:36
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/26; H01H35/2607; H01H35/2614; H01H5/00; H01H5/04; H01H5/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A CONTROL DEVICE COMPRISING, PRESSURE RESPONSIVE MEANS, SWITCH MEANS BIASED INTO ENGAGEMENT WITH A FIRST FIXED CONTACT, A SWITCH ACTUATOR CONNECTED TO AND MOVABLE WITH SAID PRESSURE RESPONSIVE MEANS TO RESPOND TO THE MOTION OF THE PRESURE RESPONSIVE MEANS AND OPERATIVELY CONNECTED TO THE SWITCH MEANS, FIRST ADJUSTABLE BIASING MEANS INCLUDING SPRING MEANS CONNECTED TO SAID SWITCH ACTUATOR AND BIASING THE SWITCH ACTUATOR IN A DIRECTION TO MOVE SAID SWITCH MEANS AGAINST A SECOND FIXED CONTACT WHEN A PREDETERMINED PRESSURE ACTS ON THE PRESSURE RESPONSIVE MEANS, AND SECOND ADJUSTABLE BIASING MEANS POSITIONED IN THE PATH OF MOVEMENT OF SAID SWITCH ACTUATOR TO ENGAGE SAID SWITCH ACTUATOR, SAID SECOND BIASING MEANS OPPOSING MOVEMENT OF SAID ACTUATOR TO MOVE SAID SWITCH MEANS INTO ENGAGEMENT WITH SAID FIRST FIXED CONTACT AND OPERABLE TO DETERMINED THE PRESSURE NECESSARY FOR THE PRESSURE REPONSIVE MEANS TO MOVE THE SWITCH ACTUATOR FAR ENOUGH TO ALLOW SAID SWITCH MEANS TO MOVE INTO ENGAGEMENT WITH SAID FIRST FIXED CONTACT, WHEREBY SAID SWITCH MEANS IN RELEASED FOR MOVEMENT
Claim 2
Dependent Claim
168 words
A CONTROL DEVICE COMPRISING, PRESSURE RESPONSIVE MEANS, SWITCH MEANS BIASED INTO ENGAGEMENT WITH A FIRST FIXED CONTACT, A SWITCH ACTUATOR CONNECTED TO AND MOVABLE WITH SAID PRESSURE RESPONSIVE MEANS TO RESPOND TO THE MOTION OF THE PRESURE RESPONSIVE MEANS AND OPERATIVELY CONNECTED TO THE SWITCH MEANS, FIRST ADJUSTABLE BIASING MEANS INCLUDING SPRING MEANS CONNECTED TO SAID SWITCH ACTUATOR AND BIASING THE SWITCH ACTUATOR IN A DIRECTION TO MOVE SAID SWITCH MEANS AGAINST A SECOND FIXED CONTACT WHEN A PREDETERMINED PRESSURE ACTS ON THE PRESSURE RESPONSIVE MEANS, AND SECOND ADJUSTABLE BIASING MEANS POSITIONED IN THE PATH OF MOVEMENT OF SAID SWITCH ACTUATOR TO ENGAGE SAID SWITCH ACTUATOR, SAID SECOND BIASING MEANS OPPOSING MOVEMENT OF SAID ACTUATOR TO MOVE SAID SWITCH MEANS INTO ENGAGEMENT WITH SAID FIRST FIXED CONTACT AND OPERABLE TO DETERMINED THE PRESSURE NECESSARY FOR THE PRESSURE REPONSIVE MEANS TO MOVE THE SWITCH ACTUATOR FAR ENOUGH TO ALLOW SAID SWITCH MEANS TO MOVE INTO ENGAGEMENT WITH SAID FIRST FIXED CONTACT, WHEREBY SAID SWITCH MEANS IN RELEASED FOR MOVEMENT
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |