Patent US2530648A successfully refreshed from Google Patents.
Patent US3087127A successfully refreshed from Google Patents.
US3087127A
Expired / Lapsed
US
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Waveguide to coaxial "l" transition
Assignee: Microwave Development Laboratories Inc
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Filing: 1960-07-15
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Granted: 1963-04-23
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Expires: 1980-07-15
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Borghetti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:43
CPC Classifications
H; H01; H01P; H01P5/00; H01P5/08; H01P5/10; H01P5/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A WAVEGUIDE TO COAXIAL L TRANSITION COMPRISING A RECTANGULAR WAVE GUIDE HAVING A CIRCULAR APERTURE IN ONE OF ITS BROAD WALLS, A COAXIAL LINE EXTENDING NORMAL TO THE WAVEGUIDE, THE COAXIAL LINE HAVING ITS OUTER CONDUCTOR CONCENTRIC WITH THE CIRCULAR APERTURE AND JOINED TO THE APERTURED BROAD WALL, AN IMPEDANCE MATCHING MEMBER IN THE RECTANGULAR WAVEGUIDE SECURED TO THE OTHER BROAD WALL THEREOF, THE IMPEDANCE MATCHING MEMBER HAVING THREE SECTIONS OF DIFFERENT WIDTHS, THE FIRST SECTION BEING A NARROW ELONGATE RAMP OF CONSTANT SLOPE, THE SECOND AND THIRD SECTIONS BEING OF THE SAME HEIGHT, AND THE CENTER CONDUCTOR OF THE COAXIAL LINE EXTENDING THROUGH THE CIRCULAR APERTURE AND HAVING A CONICAL PORTION JOINED TO THE SECOND SECTION OF THE IMPEDANCE MATCHING MEMBER.
Claim 2
Dependent Claim
122 words
A WAVEGUIDE TO COAXIAL L TRANSITION COMPRISING A RECTANGULAR WAVE GUIDE HAVING A CIRCULAR APERTURE IN ONE OF ITS BROAD WALLS, A COAXIAL LINE EXTENDING NORMAL TO THE WAVEGUIDE, THE COAXIAL LINE HAVING ITS OUTER CONDUCTOR CONCENTRIC WITH THE CIRCULAR APERTURE AND JOINED TO THE APERTURED BROAD WALL, AN IMPEDANCE MATCHING MEMBER IN THE RECTANGULAR WAVEGUIDE SECURED TO THE OTHER BROAD WALL THEREOF, THE IMPEDANCE MATCHING MEMBER HAVING THREE SECTIONS OF DIFFERENT WIDTHS, THE FIRST SECTION BEING A NARROW ELONGATE RAMP OF CONSTANT SLOPE, THE SECOND AND THIRD SECTIONS BEING OF THE SAME HEIGHT, AND THE CENTER CONDUCTOR OF THE COAXIAL LINE EXTENDING THROUGH THE CIRCULAR APERTURE AND HAVING A CONICAL PORTION JOINED TO THE SECOND SECTION OF THE IMPEDANCE MATCHING MEMBER.
References Cited (Backward Citations)
US2659055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |