US3245014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave switch
Assignee: GTE Sylvania Inc
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Filing: 1965-01-14
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Granted: 1966-04-05
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Expires: 1985-01-14
Abstract
No abstract record available.
Inventors
- 👤 Plutchok Hyman
- 👤 Robert D Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:57
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/10; H01P1/15
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
132 words
A BROADBAND RADIO FREQUENCY SWITCH COMPRISING A COAXIAL TRANSMISSION LINE ADAPTED TO TRANSMIT RADIO FREQUENCY SIGNALS TO BE CONTROLLED AND HAVING AN INNER AND OUTER CONDUCTOR, FILTER MEANS IN SAID TRANSMISSION LINE, A RADIO FREQUENCY DIODE-FILTER ELECTRICALLY CONNECTED IN SERIES WITH SAID INNER CONDUCTOR AND IN SHUNT BETWEEN SAID INNER AND OUTER CONDUCTORS, SAID FILTER COMPRISING A PLURALITY OF INDUCTANCE ELEMENTS ELECTRICALLY CONNECTED IN SERIES WITH SAID INNER CONDUCTOR, AND SEMICONDUCTOR DIODE MEANS ELECTRICALLY CONNECTED TO SAID OUTER CONDUCTOR AND TO SAID INDUCTANCE ELEMENTS, SAID DIODE MEANS HAVING A FIRST AND SECOND OPERATING STATES WHEREBY TO EXHIBIT CAPACITIVE AND SHORT CIRCUIT CHARACTERISTICS, RESPECTIVELY, FOR PASSING AND BLOCKING INCIDENT SIGNALS APPLIED TO THE TRANSMISSION LINE, AND A CONTROL CIRCUIT FOR ACTUATING SAID DIODE MEANS TO CHANGE FROM ONE OPERATING STATE TO THE OTHER.
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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |