Patent US4116530A successfully refreshed from Google Patents.
Patent US3301983A successfully refreshed from Google Patents.
US3301983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High voltage coaxial switch and associated apparatus
Assignee: Field Emission Corp
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Filing: 1964-08-27
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Granted: 1967-01-31
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Expires: 1984-08-27
Abstract
No abstract record available.
Inventors
- 👤 Frank M Collins
- 👤 Hipperson Nina May
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:59
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/10; H01P1/12; H01P1/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A SWITCH STRUCTURE, COMPRISING: A HOLLOW HOUSING MEMBER HAVING A TUBULAR FIRST OUTER CONDUCTOR PORTION AND A TUBULAR SECOND OUTER CONDUCTOR PORTION WHOSE AXIS INTERSECTS THAT OF SAID FIRST PORTION; A FIRST INNER CONDUCTOR MOUNTED COAXIALLY WITHIN SAID FIRST PORTION OF SAID HOUSING MEMBER AND INSULATIVELY SPACED FROM SAID HOUSING MEMBER, SAID FIRST INNER CONDUCTOR HAVING A CYLINDRICAL PASSAGEWAY EXTENDING THROUGH ONE END OF SAID FIRST INNER CONDUCTOR COAXIALLY WITH SAID SECOND PORTION OF SAID HOUSING MEMBER; A SECOND INNER CONDUCTOR MOUNTED COAXIALLY WITHIN SAID SECOND PORTION INSULATIVELY SPACED FROM SAID HOUSING MEMBER AND SPACED FROM SAID FIRST INNER CONDUCTOR; AND A MOVABLE SWITCH CONTACT MEMBER MOUNTED FOR SLIDING MOVEMENT WITHIN SAID PASSAGEWAY OF SAID FIRST INNER CONDUCTOR INTO AND OUT OF ENGAGEMENT WITH SAID SECOND INNER CONDUCTOR TO SELECTIVELY CONNECT
Claim 2
Dependent Claim
131 words
A SWITCH STRUCTURE, COMPRISING: A HOLLOW HOUSING MEMBER HAVING A TUBULAR FIRST OUTER CONDUCTOR PORTION AND A TUBULAR SECOND OUTER CONDUCTOR PORTION WHOSE AXIS INTERSECTS THAT OF SAID FIRST PORTION; A FIRST INNER CONDUCTOR MOUNTED COAXIALLY WITHIN SAID FIRST PORTION OF SAID HOUSING MEMBER AND INSULATIVELY SPACED FROM SAID HOUSING MEMBER, SAID FIRST INNER CONDUCTOR HAVING A CYLINDRICAL PASSAGEWAY EXTENDING THROUGH ONE END OF SAID FIRST INNER CONDUCTOR COAXIALLY WITH SAID SECOND PORTION OF SAID HOUSING MEMBER; A SECOND INNER CONDUCTOR MOUNTED COAXIALLY WITHIN SAID SECOND PORTION INSULATIVELY SPACED FROM SAID HOUSING MEMBER AND SPACED FROM SAID FIRST INNER CONDUCTOR; AND A MOVABLE SWITCH CONTACT MEMBER MOUNTED FOR SLIDING MOVEMENT WITHIN SAID PASSAGEWAY OF SAID FIRST INNER CONDUCTOR INTO AND OUT OF ENGAGEMENT WITH SAID SECOND INNER CONDUCTOR TO SELECTIVELY CONNECT
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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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |