US3301983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High voltage coaxial switch and associated apparatus
Assignee: Field Emission Corp
•
Filing: 1964-08-27
•
Granted: 1967-01-31
•
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 16:00
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
References Cited (Backward Citations)
US2899482A
Cited
US2639310A
Cited
US2662142A
Cited
US2614243A
Cited
US2671153A
Cited
US2771529A
Cited
GB791123A
Cited
US2826746A
Cited
US2932786A
Cited
US3115613A
Cited
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 |