US3205493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave switch
Assignee: North American Aviation Corp
•
Filing: 1963-05-21
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Granted: 1965-09-07
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Expires: 1983-05-21
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:35
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/10; H01P1/15; G; G01; G01S; G01S7/00; G01S7/02; G01S7/03; G01S7/034
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
124 words
MICROWAVE SWITCHING MEANS COMPRISING A FIRST AND SECOND MICROWAVE CIRCULATOR HAVING AT LEAST THREE PORTS, A FIRST PORT OF SAID FIRST AND SECOND CIRCULATORS BEING CONNECTED TO A MUTUALLY EXCLUSIVE ONE OF TWO SOURCES OF MICROWAVE ENERGY, A THIRD PORT OF SAID SECOND CIRCULATOR BEING SHORTED THROUGH A SHORTING IMPEDENCE, MICROWAVE MEANS INTERCONNECTING THE RESPECTIVE SECOND PORTS OF SAID FIRST CIRCULATOR AND SAID SECOND CIRCULATOR FOR ALTERNATELY REFLECTING MICROWAVE ENERGY RECEIVED FROM ONE OF SAID SOURCES THROUGH SAID SHORTING IMPEDANCE AND TRANSMITTING MICROWAVE ENERGY RECEIVED FROM THE OTHER OF SAID SOURCES THROUGH SAID SHORTING IMPEDANCE, WHEREBY THE RECEIVED ENERGY OF ALTERNATE ONES OF SAID MUTUALLY EXCLUSIVE SOURCES OF MICROWAVE ENERGY IS TRANSMITTED TO A THIRD PORT OF SAID FIRST CIRCULATOR AS AN OUTPUT THEREOF.
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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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |