Patent US3296457A successfully refreshed from Google Patents.
US3296457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Matched single pole single throw diode microwave switch
Assignee: Lockheed Martin Corp
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Filing: 1963-10-14
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Granted: 1967-01-03
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Expires: 1983-10-14
Abstract
No abstract record available.
Inventors
- 👤 Robbins Robert
- 👤 Hector R Baron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:32
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/10; H01P1/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A SWITCH COMPRISING: (A) A TRANSMISSION LINE SECTION INCLUDING FIRST AND SECOND TRANSMISSION LINE CONDUCTORS, (B) FIRST AND SECOND DIODES IN SERIES WITH EACH OTHER IN SAID FIRST CONDUCTOR, (C) BIAS MEANS CONNECTED TO ALTERNATIVELY (1) PASS A FORWARD CURRENT THROUGH SAID DIODES, AND (2) APPLY A REVERSE POTENTIAL TO AT LEAST SAID SECOND DIODE, (D) SAID FIRST DIODE BEING A GENERAL PURPOSE SILICON DIODE HAVING LOW FORWARD RESISTANCE AND HIGH REVERSE D.C. RESISTANCE, AND (E) SAID SECOND DIODE BEING OF A TYPE HAVING A HIGH IMPEDANCE AT HIGH FREQUENCIES WHEN SAID REVERSE POTENTIAL IS APPLIED THERETO.
Claim 2
Dependent Claim
97 words
A SWITCH COMPRISING: (A) A TRANSMISSION LINE SECTION INCLUDING FIRST AND SECOND TRANSMISSION LINE CONDUCTORS, (B) FIRST AND SECOND DIODES IN SERIES WITH EACH OTHER IN SAID FIRST CONDUCTOR, (C) BIAS MEANS CONNECTED TO ALTERNATIVELY (1) PASS A FORWARD CURRENT THROUGH SAID DIODES, AND (2) APPLY A REVERSE POTENTIAL TO AT LEAST SAID SECOND DIODE, (D) SAID FIRST DIODE BEING A GENERAL PURPOSE SILICON DIODE HAVING LOW FORWARD RESISTANCE AND HIGH REVERSE D.C. RESISTANCE, AND (E) SAID SECOND DIODE BEING OF A TYPE HAVING A HIGH IMPEDANCE AT HIGH FREQUENCIES WHEN SAID REVERSE POTENTIAL IS APPLIED THERETO.
References Cited (Backward Citations)
US2981832A
Cited
US3146357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |