US2846655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impregnated ferrite
Assignee: Raytheon Co
•
Filing: 1955-08-19
•
Granted: 1958-08-05
•
Expires: 1975-08-19
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Iversen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:12
CPC Classifications
H; H01; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/12; H01F1/34; H01F1/36; H01F1/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A MICROWAVE FERRITE ELEMENT IMPREGNATED WITH A VITREOUS MATERIAL AND HAVING A PREDETERMINED PROPORTIONAL COMPOSITION OF FERRITE VERSUS VITREOUS MATERIAL ALONG A PREDETERMINED DIRECTION, SAID COMPOSITION BEING SUBSTANTIALLY ALL VITREOUS MATERIAL AT A FIRST PORTION NEAR THE ENDS OF SAID ELEMENT ALONG SAID PREDETERMINED DIRECTION AND PREDOMINANTLY FERRITE AT A SECOND PORTION BE-
Claim 2
Dependent Claim
53 words
A MICROWAVE FERRITE ELEMENT IMPREGNATED WITH A VITREOUS MATERIAL AND HAVING A PREDETERMINED PROPORTIONAL COMPOSITION OF FERRITE VERSUS VITREOUS MATERIAL ALONG A PREDETERMINED DIRECTION, SAID COMPOSITION BEING SUBSTANTIALLY ALL VITREOUS MATERIAL AT A FIRST PORTION NEAR THE ENDS OF SAID ELEMENT ALONG SAID PREDETERMINED DIRECTION AND PREDOMINANTLY FERRITE AT A SECOND PORTION BE-
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |