US3355684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coaxial cable switch
Assignee: AT&T Inc
•
Filing: 1966-10-31
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Granted: 1967-11-28
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Expires: 1986-10-31
Abstract
No abstract record available.
Inventors
- 👤 Donald S Church
- 👤 Ronald W Kordos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:37
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/10; H01P1/12; H01P1/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A COAXIAL CABLE SWITCH COMPRISING AN ANNULAR SHEATH OF NONMAGNETIC ELECTRICALLY-CONDUCTIVE MATERIAL, A PLURALITY OF AT LEAST THREE SWITCHES MOUNTED IN SAID SHEATH WITH THE CONTACTS OF EACH SWITCH NOT IN EXCESS OF ONE-QUARTER OF A WAVELENGTH FROM THE CONTACTS OF AN ADJACENT SWITCH, A PLURALITY OF ELECTRICALLY-CONDUCTIVE MEMBERS CONNECTED BETWEEN SAID SWITCHES, RESPECTIVELY, TO FORM A SERIES COMBINATION, AND MEANS FOR SIMULTANEOUSLY OPERATING ALL OF SAID SWITCHES.
Claim 2
Dependent Claim
68 words
A COAXIAL CABLE SWITCH COMPRISING AN ANNULAR SHEATH OF NONMAGNETIC ELECTRICALLY-CONDUCTIVE MATERIAL, A PLURALITY OF AT LEAST THREE SWITCHES MOUNTED IN SAID SHEATH WITH THE CONTACTS OF EACH SWITCH NOT IN EXCESS OF ONE-QUARTER OF A WAVELENGTH FROM THE CONTACTS OF AN ADJACENT SWITCH, A PLURALITY OF ELECTRICALLY-CONDUCTIVE MEMBERS CONNECTED BETWEEN SAID SWITCHES, RESPECTIVELY, TO FORM A SERIES COMBINATION, AND MEANS FOR SIMULTANEOUSLY OPERATING ALL OF SAID SWITCHES.
References Cited (Backward Citations)
US3087125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |