US3178542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum switch and internal shielding therefor
Assignee: Jennings Radio Manufacturing Corp
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Filing: 1962-03-26
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Granted: 1965-04-13
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Expires: 1982-03-26
Abstract
No abstract record available.
Inventors
- 👤 Jennings Jo Emmett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:33
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/60; H01H33/66; H01H33/662; H01H33/66261; H01H2033/66284; H01H2033/66292
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A VACUUMIZED SWITCH COMPRISING (I) A PAIR OF ADJACENT AND ALIGNED DIELECTRIC SHELLS, (II) A CONDUCTIVE SEALING BAND INTERPOSED BETWEEN THE ALIGNED SHELLS AND HAVING EACH EDGE HERMETICALLY UNITED TO THE ADJACENT SHELL, (III) RIGID CONDUCTIVE PLATE HERMETICALLY CLOSING THE OPPOSITE ENDS OF THE JOINED SHELLS, ONE OF SAID PLATES CONSTITUTING A TERMINAL FOR THE IMPLEMENT, (IV) A FIXED ELECTRODE MOUNTED INSIDE A SHELL AND ON THE TERMINAL PLATE, (V) AN AXIALLY DISPOSED NON-CONDUCTIVE OPERATING SHAFT HAVING A CONDUCTIVE HEAD WITHIN THE SHELLS,
Claim 2
Dependent Claim
83 words
A VACUUMIZED SWITCH COMPRISING (I) A PAIR OF ADJACENT AND ALIGNED DIELECTRIC SHELLS, (II) A CONDUCTIVE SEALING BAND INTERPOSED BETWEEN THE ALIGNED SHELLS AND HAVING EACH EDGE HERMETICALLY UNITED TO THE ADJACENT SHELL, (III) RIGID CONDUCTIVE PLATE HERMETICALLY CLOSING THE OPPOSITE ENDS OF THE JOINED SHELLS, ONE OF SAID PLATES CONSTITUTING A TERMINAL FOR THE IMPLEMENT, (IV) A FIXED ELECTRODE MOUNTED INSIDE A SHELL AND ON THE TERMINAL PLATE, (V) AN AXIALLY DISPOSED NON-CONDUCTIVE OPERATING SHAFT HAVING A CONDUCTIVE HEAD WITHIN THE SHELLS,
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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) | 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 |