US3588759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave ferrite film circuit configuration
Assignee: Westinghouse Electric Corp
•
Filing: 1969-07-17
•
Granted: 1971-06-28
•
Expires: 1989-07-17
Abstract
Abstract DESCRIBED IS MICROWAVE MINIATURIZED SIGNAL PROCESSING CIRCUITRY FOR RADAR AND THE LIKE APPLICATIONS EMPLOYING FERRITE FILMS CAPABLE OF EFFECTING A PHASE SHIFT IN WAVE ENERGY PASSING THROUGH THE CIRCUITRY, AND WHEREIN THE INSERTION LOSS OF THE DEVICE IS MINIMIZED. THIS IS ACCOMPLISHED BY PROVIDING A STRUCTURE WHEREIN THE WAVE ENERGY NEED NOT PASS THROUGH A CERAMIC OR THE LIKE SUBSTRATE, BUT RATHER IS CONFINED ESSENTIALLY WITHIN THE FERRITE MATERIAL ITSELF.
Inventors
- 👤 Daniel C Buck
- 👤 Noel C Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:41
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/18; H01P1/19
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |