US3369169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave frequency multiplier with a plurality of harmonic inhibiting means
Assignee: AT&T Inc
•
Filing: 1964-05-14
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Granted: 1968-02-13
•
Expires: 1984-05-14
Abstract
No abstract record available.
Inventors
- 👤 Edward G Jaasma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:37
CPC Classifications
H; H03; H03B; H03B19/00; H03B19/16; H03B19/18
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
109 words
A MICROWAVE MULTIPLIER CIRCUIT COMPRISING, IN COMBINATION, INPUT AND OUTPUT MEANS; A COAXIAL T CIRCUIT INTERCONNECTING SAID INPUT AND OUTPUT MEANS INCLUDING MEANS FOR INHIBITING THE PROPAGATION OF A SIGNAL OF SPECIFIED FREQUENCY INTO SAID OUTPUT MEANS, SAID T CIRCUIT INCLUDING MEANS FOR INHIBITING THE PROPAGATION OF A SIGNAL WHOSE FREQUENCY IS THE SECOND HARMONIC OF SAID SPECIFIED FREQUENCY INTO SAID INPUT MEANS, SAID T CIRCUIT INCLUDING MEANS FOR INHIBITING THE PROPAGATION OF A SIGNAL WHOSE FREQUENCY IS THE FOURTH HARMONIC OF SAID SEPCIFIED FREQUENCY; VARIABLE REACTANCE MEANS ELECTRICALLY COUPLED TO SAID COAXIAL T CIRCUIT FOR GENERATING SIGNALS OF HARMONIC FREQUENCIES RELATED TO AN APPLIED SIGNAL OF SAID SPECIFIED
References Cited (Backward Citations)
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Cited
US2408420A
Cited
US3287621A
Cited
US3155914A
Cited
US3267352A
Cited
US3328670A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |