US3178531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure switch
Assignee: Controls Company of America
•
Filing: 1962-07-25
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Granted: 1965-04-13
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Expires: 1982-07-25
Abstract
No abstract record available.
Inventors
- 👤 Robert H Dawson
- 👤 Henry W Johansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:45
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/26; H01H35/2607; H01H35/2614; H01H35/265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A PRESSURE RESPONSIVE DEVICE COMPRISING, A HOUSING INCLUDING A PRESSURE RESPONSIVE MEANS, SWITCH MEANS OPERATIVELY CONNECTED TO THE PRESSURE RESPONSIVE MEANS AND MOVABLE FROM A FIRST POSITION TO A SECOND POSITION IN ACCORDANCE WITH MOVEMENT OF SAID PRESSURE RESPONSIVE MEANS, MANUALLY SELECTABLE MEANS FOR PRESELECTING THE PRESSURE REQUIRED TO ACTUATE THE SWITCH MEANS FROM THE FIRST POSITION TO THE SECOND POSITION, AND SECOND MEANS RESPONSIVE TO THE SETTING OF THE SELECTABLE MEANS FOR DETERMINING THE PRESSURE REQUIRED TO ACTUATE THE SWITCH MEANS FROM THE SECOND POSITION TO THE FIRST POSITION.
Claim 2
Dependent Claim
90 words
A PRESSURE RESPONSIVE DEVICE COMPRISING, A HOUSING INCLUDING A PRESSURE RESPONSIVE MEANS, SWITCH MEANS OPERATIVELY CONNECTED TO THE PRESSURE RESPONSIVE MEANS AND MOVABLE FROM A FIRST POSITION TO A SECOND POSITION IN ACCORDANCE WITH MOVEMENT OF SAID PRESSURE RESPONSIVE MEANS, MANUALLY SELECTABLE MEANS FOR PRESELECTING THE PRESSURE REQUIRED TO ACTUATE THE SWITCH MEANS FROM THE FIRST POSITION TO THE SECOND POSITION, AND SECOND MEANS RESPONSIVE TO THE SETTING OF THE SELECTABLE MEANS FOR DETERMINING THE PRESSURE REQUIRED TO ACTUATE THE SWITCH MEANS FROM THE SECOND POSITION TO THE FIRST POSITION.
References Cited (Backward Citations)
US2755362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |