US3219955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bend for circular waveguide utilizing mode suppressing subdividing partitions
Assignee: SWCC Corp
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Filing: 1963-11-06
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Granted: 1965-11-23
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Expires: 1983-11-06
Abstract
No abstract record available.
Inventors
- 👤 Inoue Sadatoshi
- 👤 Wakui Masakuni
- 👤 Mushiake Yasuto
- 👤 Adachi Saburo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:08
CPC Classifications
H; H01; H01P; H01P3/00; H01P3/12; H01P3/13; H01P1/00; H01P1/02; H01P1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A CIRCULAR WAVEGUIDE BEND COMPRISING A BENT-TYPE CONDUCTOR TUBE CONSISTING OF A PAIR OF CONDUCTOR TUBES, JOINED TOGETHER AT ONE END OF EACH TUBE, SAID ONE END BEING CUT AT AN ANGLE OF ABOUT 45 DEGREES TO THE AXIS OF THE RESPECTIVE TUBE AND SAID TUBES BEING CONNECTED AT THEIR SLANT FACES, A REFLECTED PLATE DISPOSED ON A PLANE INCLUDING AN INTERSECTION OF THE AXES OF SAID BOTH CONDUCTOR TUBES AND VERTICALLY CROSSING THE LINE BISECTING THE ANGLE BETWEEN THE SAID AXES, AND A PAIR OF RADIA CONDUCTORS ACCOMMODATED IN EACH OF SAID CONDUCTOR TUBES, EACH OF SAID RADIAL CONDUCTORS BEING MADE TO EXTEND IN THE AXIAL DIRECTION OF THE RESPECTIVE CONDUCTOR TUBES AND PROJECT IN THE RADIAL DIRECTION OF THE CONDUCTOR TUBE, AND THE END SURFACE OF EACH OF SAID RADIAL CONDUCTOSR EXTENDING TO THE SIDE OF THE SAID REFLECTING PLATE AND BEING SHAPED TO COINCIDE WITH THE IMAGINARY CYLINDER WHICH IS THE EXTENSION OF THE INTERNAL SURFACE OF THE OPPOSITE CONDUCTOR TUBE.
Claim 2
Dependent Claim
164 words
A CIRCULAR WAVEGUIDE BEND COMPRISING A BENT-TYPE CONDUCTOR TUBE CONSISTING OF A PAIR OF CONDUCTOR TUBES, JOINED TOGETHER AT ONE END OF EACH TUBE, SAID ONE END BEING CUT AT AN ANGLE OF ABOUT 45 DEGREES TO THE AXIS OF THE RESPECTIVE TUBE AND SAID TUBES BEING CONNECTED AT THEIR SLANT FACES, A REFLECTED PLATE DISPOSED ON A PLANE INCLUDING AN INTERSECTION OF THE AXES OF SAID BOTH CONDUCTOR TUBES AND VERTICALLY CROSSING THE LINE BISECTING THE ANGLE BETWEEN THE SAID AXES, AND A PAIR OF RADIA CONDUCTORS ACCOMMODATED IN EACH OF SAID CONDUCTOR TUBES, EACH OF SAID RADIAL CONDUCTORS BEING MADE TO EXTEND IN THE AXIAL DIRECTION OF THE RESPECTIVE CONDUCTOR TUBES AND PROJECT IN THE RADIAL DIRECTION OF THE CONDUCTOR TUBE, AND THE END SURFACE OF EACH OF SAID RADIAL CONDUCTOSR EXTENDING TO THE SIDE OF THE SAID REFLECTING PLATE AND BEING SHAPED TO COINCIDE WITH THE IMAGINARY CYLINDER WHICH IS THE EXTENSION OF THE INTERNAL SURFACE OF THE OPPOSITE CONDUCTOR TUBE.
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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |