US3289110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-reciprocal multi-element tem transmission line device
Assignee: Massachusetts Institute of Technology
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Filing: 1964-01-27
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Granted: 1966-11-29
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Expires: 1984-01-27
Abstract
No abstract record available.
Inventors
- 👤 Jerald A Weiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:11
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/18; H01P1/19; H01P1/195
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A NON-RECIPROCAL WAVE CONDUCTING DEVICE COMPRISING MEANS FOR PRODUCING ELECTROMAGNETIC WAVES, MEANS FOR CONDUCTING SAID WAVES ALONG A PLURALITY OF PATHS WHICH ARE SPACED SO THAT THE MAGNETIC FIELDS OF WAVES IN ADJACENT PATHS OVELAP AND ARE IN DIFFERENT PHASE, AT LEAST ONE BODY OF FERRITE MATERIAL DISPOSED IN THE PATH OF SAID OVERLAPPING FIELDS AND MEANS FOR CONTROLLING THE MAGNETIZATION OF SAID FERRITE BODY INCLUDING MEANS FOR CONDUCTING D.C. CURRENT THROUGH AT LEAST A PART OF SAID WAVE CONDUCTING MEANS.
Claim 2
Dependent Claim
81 words
A NON-RECIPROCAL WAVE CONDUCTING DEVICE COMPRISING MEANS FOR PRODUCING ELECTROMAGNETIC WAVES, MEANS FOR CONDUCTING SAID WAVES ALONG A PLURALITY OF PATHS WHICH ARE SPACED SO THAT THE MAGNETIC FIELDS OF WAVES IN ADJACENT PATHS OVELAP AND ARE IN DIFFERENT PHASE, AT LEAST ONE BODY OF FERRITE MATERIAL DISPOSED IN THE PATH OF SAID OVERLAPPING FIELDS AND MEANS FOR CONTROLLING THE MAGNETIZATION OF SAID FERRITE BODY INCLUDING MEANS FOR CONDUCTING D.C. CURRENT THROUGH AT LEAST A PART OF SAID WAVE CONDUCTING MEANS.
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |