Patent US3183459A successfully refreshed from Google Patents.
US3183459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High power broadband waveguide window structure having septum to reduce reflection and ghost mode
Assignee: Unisys Corp
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Filing: 1963-10-04
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Granted: 1965-05-11
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Expires: 1983-10-04
Abstract
No abstract record available.
Inventors
- 👤 James B Caputo
- 👤 Thaddeus I Sokolowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:49
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A WAVEGUIDE WINDOW STRUCTURE FOR ESTABLISHING A BROADBAND, STRONG HERMETIC SEAL ACROSS A SECTION OF CIRCULAR WAVEGUIDE, SAID WINDOW STRUCTURE COMPRISING, A DISC OF DIELECTRIC MATERIAL DISPOSED TRANSVERSELY ACROSS SAID CIRCULAR WAVEGUIDE SECTION AND SEALED ALONG ITS PERIPHERY TO SAID WAVEGUIDE SECTION, AND DISC BEING PERMEABLE TO ELECTROMAGNETIC WAVES AND IMPERVIOUS TO FLUIDS, A LONGITUDINALLY EXTENDING SEPTUM EXTENDING THROUGH SAID DIELECTRIC DISC ALONG A DIAMETRAL PLANE TO DIVIDED SAID DISC INTO TWO SUBSTANTIALLY EQUAL PORTIONS, AND MEANS FOR COUPLING ELECTROMAGNETIC WAVES IN THE DOMINANT TE11 MODE INTO SAID CIRCULAR WAVEGUIDE WITH THE ELECTRIC FIELD OF SAID WAVES NORMAL TO THE BROAD SURFACE OF SAID SEPTUM.
Claim 2
Dependent Claim
105 words
A WAVEGUIDE WINDOW STRUCTURE FOR ESTABLISHING A BROADBAND, STRONG HERMETIC SEAL ACROSS A SECTION OF CIRCULAR WAVEGUIDE, SAID WINDOW STRUCTURE COMPRISING, A DISC OF DIELECTRIC MATERIAL DISPOSED TRANSVERSELY ACROSS SAID CIRCULAR WAVEGUIDE SECTION AND SEALED ALONG ITS PERIPHERY TO SAID WAVEGUIDE SECTION, AND DISC BEING PERMEABLE TO ELECTROMAGNETIC WAVES AND IMPERVIOUS TO FLUIDS, A LONGITUDINALLY EXTENDING SEPTUM EXTENDING THROUGH SAID DIELECTRIC DISC ALONG A DIAMETRAL PLANE TO DIVIDED SAID DISC INTO TWO SUBSTANTIALLY EQUAL PORTIONS, AND MEANS FOR COUPLING ELECTROMAGNETIC WAVES IN THE DOMINANT TE11 MODE INTO SAID CIRCULAR WAVEGUIDE WITH THE ELECTRIC FIELD OF SAID WAVES NORMAL TO THE BROAD SURFACE OF SAID SEPTUM.
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) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |