Patent US3244849A successfully refreshed from Google Patents.
US3244849A
Expired / Lapsed
US
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Hermetically sealed switching device with bellows
Assignee: Compagnie Electro Mecanique SA
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Filing: 1964-04-21
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Granted: 1966-04-05
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Expires: 1984-04-21
Abstract
No abstract record available.
Inventors
- 👤 Ravret Pierre
- 👤 Miachon Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:00
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/26; H01H13/36; H01H13/04; H01H13/06; H01H3/00; H01H3/22; H01H3/24; H01H2013/066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A HERMETICALLY SEALED SWITCHING DEVICE COMPRISING, IN COMBINATION, SUBSTANTIALLY CYLINDRICAL BELLOWS HAVING A CLOSED END, AN OPPOSITE OPEN END, AND A PLURALITY OF CORRUGATIONS BETWEEN SAID ENDS; CLOSURE MEANS EXTENDING TRANSVERSELY TO SAID OPEN END OF SAID BELLOWS FLUID TIGHTLY CONNECTED THERETO FOR CLOSING THE SAME; RIGID CONNECTING MEANS INTERCONNECTING SAID CLOSURE MEANS AND SAID CLOSED END OF SAID BELLOWS FOR MAINTAING SAID OPPOSITE END OF SAID BELLOWS SPACED A FIXED DISTANCE FROM SAID CLOSED END THEREOF; SWITCH MEANS SUPPORTED IN THE INTERIOR OF SAID BELLOWS ON SAID CLOSURE MEANS; AND A PAIR OF ACTUATING MEANS FOR ACTUATING SAID SWITCH MEANS, ONE OF SAID ACTUATING MEANS BEING LOCATED OUTSIDE OF SAID BELLOWS AND HAVING A FREE ACTUATING END AND ENGAGING AT THE OTHER END THEREOF TO THE OUTER SURFACE OF ONE CORRUGATION OF SAID BELLOWS, AND THE OTHER ACTUATING MEANS BEING LOCATED IN THE INTERIOR OF SAID BELLOWS AND ENGAGING AT ONE END THEREOF TO THE INNER SURFACE OF SAID ONE CORRUGATION AND BEING CONNECTED AT THE OTHER END THEREOF TO SAID SWITCH MEANS.
Claim 2
Dependent Claim
174 words
A HERMETICALLY SEALED SWITCHING DEVICE COMPRISING, IN COMBINATION, SUBSTANTIALLY CYLINDRICAL BELLOWS HAVING A CLOSED END, AN OPPOSITE OPEN END, AND A PLURALITY OF CORRUGATIONS BETWEEN SAID ENDS; CLOSURE MEANS EXTENDING TRANSVERSELY TO SAID OPEN END OF SAID BELLOWS FLUID TIGHTLY CONNECTED THERETO FOR CLOSING THE SAME; RIGID CONNECTING MEANS INTERCONNECTING SAID CLOSURE MEANS AND SAID CLOSED END OF SAID BELLOWS FOR MAINTAING SAID OPPOSITE END OF SAID BELLOWS SPACED A FIXED DISTANCE FROM SAID CLOSED END THEREOF; SWITCH MEANS SUPPORTED IN THE INTERIOR OF SAID BELLOWS ON SAID CLOSURE MEANS; AND A PAIR OF ACTUATING MEANS FOR ACTUATING SAID SWITCH MEANS, ONE OF SAID ACTUATING MEANS BEING LOCATED OUTSIDE OF SAID BELLOWS AND HAVING A FREE ACTUATING END AND ENGAGING AT THE OTHER END THEREOF TO THE OUTER SURFACE OF ONE CORRUGATION OF SAID BELLOWS, AND THE OTHER ACTUATING MEANS BEING LOCATED IN THE INTERIOR OF SAID BELLOWS AND ENGAGING AT ONE END THEREOF TO THE INNER SURFACE OF SAID ONE CORRUGATION AND BEING CONNECTED AT THE OTHER END THEREOF TO SAID SWITCH MEANS.
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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |