US3332042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ferrite device for effecting reciprocal phase shift or attenuation
Assignee: —
•
Filing: 1964-09-14
•
Granted: 1967-07-18
•
Expires: 1984-09-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:42
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/18; H01P1/19; H01P1/22; H01P1/23
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
97 words
RECIPROCAL PHASE SHIFTER APPARATUS FOR ELECTROMAGNETIC WAVE ENERGY COMPRISING A SECTION OF CONDUCTIVELY BOUNDED WAVEGUIDE OF RECTANGULAR CONFIGURATION AND ADAPTED TO SUPPORT ELECTROMAGNETIC WAVE ENERGY IN THE TE10 MODE, AN ELEMENT OF GYROMAGNETIC MATERIAL HAVING A SQUARE LOOP MAGNETIZATION CURVE ARRANGED SYMMETRICALLY ABOUT THE AXIS OF SAID WAVEGUIDE SECTION, A PLURALITY OF ELECTRICAL CONDUCTORS EXTENDING TRANSVERSELY THROUGH SAID GYROMAGNETIC MATERIAL, SAID CONDUCTORS BEING PARALLEL TO THE MAGNETIC FIELD OF THE ELECTROMAGNETIC WAVE, AND MEANS FOR SELECTIVELY ENERGIZING SAID CONDUCTORS FOR ESTABLISHING CLOSED PATH MAGNETIZATION IN SAID MATERIAL IN PLANES PARALLEL TO THE LONGITUDINAL AXIS OF SAID WAVEGUIDE.
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) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |