US3231704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hermetically sealed switch with tubular dielectric portions united to a relatively larger metallic intermediate vapor condensing portion
Assignee: Jennings Radio Manufacturing Corp
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Filing: 1963-04-09
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Granted: 1966-01-25
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Expires: 1983-04-09
Abstract
No abstract record available.
Inventors
- 👤 Lester O Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:46
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/60; H01H33/66; H01H33/662; H01H33/66207; H01H33/66261
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A SWICH COMPRISING AN HERMETICALLY SEALED ENVELOPE INCLUDING A PAIR OF AXIALLY ALIGNED TUBULAR DIELECTRIC ENVELOPE PORTIONS HAVING ADJACENT ENDS SPACED APART AND HERMETICALLY UNITED TO AN INTERMEDIATE ANNULAR METALLIC SHELL PORTION OF THE ENVELOPE RELATIVELY LARGER IN DIAMETER THAN SAID ALINGED TUBULAR DIELECTRIC ENVELOPE PORTIONS, END CAP STRUCTURES CLOSING OPPOSITE ENDS OF THE TUBULAR DIELECTRIC ENVELOPE PORTIONS, AXIALLY ALIGNED FIXED AND MOVABLE CONDUCTIVE CONTACT STEMS MOUNTED ON OPPOSITE END CAPS, CONDUCTIVE CONTACT SURFACES ON THE INNER ENDS OF THE CONTACT STEMS WITH THE INTERMEDIATE ANNULAR METALLIC SHELL PORTION OF THE ENVELOPE, AND A FLEXIBLE BELLOW HERMETICALLY INTERPOSED BETWEEN ONE OF THE END CAPS AND THE MOVABLE CONTACT BETWEEN TO ACCOMODATE AXIAL DISPLACEMENT OF THE MOVABLE CONTACT STEM WITH RESPECT TO THE ENVELOPE TO MAKE OR BREAK A CIRCUIT THROUGH THE
Claim 2
Dependent Claim
131 words
A SWICH COMPRISING AN HERMETICALLY SEALED ENVELOPE INCLUDING A PAIR OF AXIALLY ALIGNED TUBULAR DIELECTRIC ENVELOPE PORTIONS HAVING ADJACENT ENDS SPACED APART AND HERMETICALLY UNITED TO AN INTERMEDIATE ANNULAR METALLIC SHELL PORTION OF THE ENVELOPE RELATIVELY LARGER IN DIAMETER THAN SAID ALINGED TUBULAR DIELECTRIC ENVELOPE PORTIONS, END CAP STRUCTURES CLOSING OPPOSITE ENDS OF THE TUBULAR DIELECTRIC ENVELOPE PORTIONS, AXIALLY ALIGNED FIXED AND MOVABLE CONDUCTIVE CONTACT STEMS MOUNTED ON OPPOSITE END CAPS, CONDUCTIVE CONTACT SURFACES ON THE INNER ENDS OF THE CONTACT STEMS WITH THE INTERMEDIATE ANNULAR METALLIC SHELL PORTION OF THE ENVELOPE, AND A FLEXIBLE BELLOW HERMETICALLY INTERPOSED BETWEEN ONE OF THE END CAPS AND THE MOVABLE CONTACT BETWEEN TO ACCOMODATE AXIAL DISPLACEMENT OF THE MOVABLE CONTACT STEM WITH RESPECT TO THE ENVELOPE TO MAKE OR BREAK A CIRCUIT THROUGH THE
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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |