Patent US3135925A successfully refreshed from Google Patents.
US3135925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupled cavity nonreciprocal traveling wave maser system
Assignee: —
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Filing: —
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Granted: 1964-06-02
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Expires: 1981-06-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:28
CPC Classifications
H; H01; H01S; H01S1/00; H01S1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A TRAVELING WAVE MASER SYSTEM COMPRISING A SERIES OF SOLID, ALIGNED MASER MATERIAL RESONATORS ELECTRICALLY COUPLED WITH RESPECT TO EACH OTHER, A RESONANCE TYPE FERRITE ISOLATOR POSITIONED IN ALIGNMENT BETWEEN EACH PAIR OF ADJACENT MASER MATERIAL RESONATORS IN THE SERIES THEREOF FOR ACHIEVING FORWARD GAIN THROUGH THE SERIES AND PREVENTING BACKWARD GAIN THERETHROUGH, MEANS FOR MAINTAINING A MAGNETIC FIELD TRANSVERSELY OF THE SERIES OF MASER MATERIAL RESONATORS, SIGNAL INPUT AND SIGNAL OUTPUT MEANS COUPLED WITH THE SERIES OF MASER MATERIAL RESONATORS FOR AMPLIFICATION OF INPUT SIGNALS, AND PUMP MEANS COOPERATIVELY ASSOCIATED WITH THE SERIES OF MASER MATERIAL RESONATORS FOR EXCITING THE MASER MATERIAL THEREIN.
Claim 2
Dependent Claim
104 words
A TRAVELING WAVE MASER SYSTEM COMPRISING A SERIES OF SOLID, ALIGNED MASER MATERIAL RESONATORS ELECTRICALLY COUPLED WITH RESPECT TO EACH OTHER, A RESONANCE TYPE FERRITE ISOLATOR POSITIONED IN ALIGNMENT BETWEEN EACH PAIR OF ADJACENT MASER MATERIAL RESONATORS IN THE SERIES THEREOF FOR ACHIEVING FORWARD GAIN THROUGH THE SERIES AND PREVENTING BACKWARD GAIN THERETHROUGH, MEANS FOR MAINTAINING A MAGNETIC FIELD TRANSVERSELY OF THE SERIES OF MASER MATERIAL RESONATORS, SIGNAL INPUT AND SIGNAL OUTPUT MEANS COUPLED WITH THE SERIES OF MASER MATERIAL RESONATORS FOR AMPLIFICATION OF INPUT SIGNALS, AND PUMP MEANS COOPERATIVELY ASSOCIATED WITH THE SERIES OF MASER MATERIAL RESONATORS FOR EXCITING THE MASER MATERIAL THEREIN.
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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |