Patent US3240895A successfully refreshed from Google Patents.
US3240895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure operated snap action switch
Assignee: Berg Manufacturing and Sales Co
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Filing: 1963-01-10
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Granted: 1966-03-15
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Expires: 1983-01-10
Abstract
No abstract record available.
Inventors
- 👤 Horowitz Charles
- 👤 Klimak Boleslaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:13
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A PRESSURE-ACTUATED SWITCH COMPRISING A HOUSING, A DIAPHRAGM DIVIDING AND HAVING ITS PERIPHARAL EDGE SECURED TO SAID HOUSING, A FLUID PRESSURE INLET POSITIONED IN SAID HOUSING TO DELIVER FLUID PRESSURE TO ONE SIDE OF SAID DIAPHRAGM, SWITCH TERMINALS IN SAID HOUSING ON THE OPPOSITE SIDE OF AND SPACED FROM SAID DIAPHRAGM, A SWITCH MEMBER POSITIONED BETWEEN SAID TERMINALS AND SAID DIAPHRAGM, SAID MEMBER INCLUDING A CONTACT ELEMENT POSITIONED FOR MOVEMENT INTO AND OUT OF CONTACT WITH SAID TERMINALS, A PLATE SPACED FROM AND SECURED TO SAID CONTACT ELEMENT, SAID PLATE BEING IN CONTACT WITH SAID OPPOSITE SIDE OF SAID DIAPHRAGM, AN ELONGATED, TRANSVERSELY ARCUATE RESISTANCE MEMBER EXTENDING BETWEEN SAID ELEMENT AND SAID PLATE AND HAVING ITS OPPOSITE ENDS HELD BY SAID HOUSING, A RISE ON SAID PLATE BETWEEN SAID PLATE AND SAID RESISTANCE MEMBER AND POSITIONED TO DEFORM THE CENTRAL PORTION OF SAID RESISTANCE MEMBER IN RESPONSE TO MOVEMENT OF SAID DIAPHRAGM TOWARD SAID TERMINALS.
Claim 2
Dependent Claim
155 words
A PRESSURE-ACTUATED SWITCH COMPRISING A HOUSING, A DIAPHRAGM DIVIDING AND HAVING ITS PERIPHARAL EDGE SECURED TO SAID HOUSING, A FLUID PRESSURE INLET POSITIONED IN SAID HOUSING TO DELIVER FLUID PRESSURE TO ONE SIDE OF SAID DIAPHRAGM, SWITCH TERMINALS IN SAID HOUSING ON THE OPPOSITE SIDE OF AND SPACED FROM SAID DIAPHRAGM, A SWITCH MEMBER POSITIONED BETWEEN SAID TERMINALS AND SAID DIAPHRAGM, SAID MEMBER INCLUDING A CONTACT ELEMENT POSITIONED FOR MOVEMENT INTO AND OUT OF CONTACT WITH SAID TERMINALS, A PLATE SPACED FROM AND SECURED TO SAID CONTACT ELEMENT, SAID PLATE BEING IN CONTACT WITH SAID OPPOSITE SIDE OF SAID DIAPHRAGM, AN ELONGATED, TRANSVERSELY ARCUATE RESISTANCE MEMBER EXTENDING BETWEEN SAID ELEMENT AND SAID PLATE AND HAVING ITS OPPOSITE ENDS HELD BY SAID HOUSING, A RISE ON SAID PLATE BETWEEN SAID PLATE AND SAID RESISTANCE MEMBER AND POSITIONED TO DEFORM THE CENTRAL PORTION OF SAID RESISTANCE MEMBER IN RESPONSE TO MOVEMENT OF SAID DIAPHRAGM TOWARD SAID TERMINALS.
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |