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US3234550A Expired / Lapsed US ⏱️ 0.0 years remaining

Thin skinned parabolic reflector with radial ribs

Assignee: Washington Aluminum Co Inc
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Filing: 1961-06-12
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Granted: 1966-02-08
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Expires: 1981-06-12
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Abstract

No abstract record available.

Inventors

  • 👤 Richard E Thomas

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 19:39
CPC Classifications
H; H01; H01Q; H01Q15/00; H01Q15/14; H01Q15/141

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 197 words
AN ANTENNA REFLECTOR HAVING A CONTINUOUS ACCURATE REFLECTING SURFACE, COMPRISING, HOLDING MEANS INCLUDING A CENTERING ELEMENT HAVING AN AXIALLY ARRANGED APERTURE THERETHROUGH, A PLURALITY OF RADIALLY ARRANGED STRUCTURAL MEMBERS EXTENDING OUTWARDLY FROM SAID CENTERING ELEMENT AND EACH SAID STRUCTURAL MEMBER HAVING ITS UPPER EDGE OF PARABOLIC SHAPE, MEANS RADIALLY SPACED FROM SAID CENTERING ELEMENT FOR HOLDING SAID RADIALLY ARRANGED STRUCTURAL MEMBERS IN EQUAL DISTRIBUTION ABOUT A FULL CIRCLE, MEANS FOR SPANNING THE PERIPHERAL ENDS OF SAID RADIALLY ARRANGED STRUCTURE MEMBERS, AN ELECTRICALLY CONDUCTIVE PARABOLIC CENTRAL DISK POSITIONED OVER SAID APERTURE IN SAID CENTERING ELEMENT, A PLURALITY OF ELECTRICALLY CONDUCTIVE ABUTTING METALLIC PARABOLIC GORES ARRANGED CO-EXTENSIVELY WITH SAID CENTRAL DISK AND SUPPORTED ADJACENT THE UPPER PARABOLIC EDGES OF SAID RADIALLY ARRANGED STRUCTURAL MEMBERS TO THE PERIPHERAL ENDS OF SAID RADIALLY ARRANGED STRUCTURAL MEMBERS FOR INCREASING THE EFFECTIVE REFLECTING AREA OF SAID REFLECTOR, SEGMENTED SHEETS COVERING THE UNDERSIDE OF SAID RADIALLY EXTENDING STRUCTURAL MEMBERS SO AS TO ENCLOSE SAID ANTENNA REFLECTOR; WITH SAID PARABOLIC GORES AND SAID SEGMENTED SHEETS HAVING EACH OF THEIR EDGES CORRESPONDINGLY SECURED TO THE UPPER AND LOWER EDGES OF SAID STRUCTURAL MEMBERS, HOLDING MEANS, AND SPANNING MEANS, AND PEDESTAL MEANS FOR MOUNTING SAID CENTERING ELEMENT.
Claim 2
Dependent Claim 197 words
AN ANTENNA REFLECTOR HAVING A CONTINUOUS ACCURATE REFLECTING SURFACE, COMPRISING, HOLDING MEANS INCLUDING A CENTERING ELEMENT HAVING AN AXIALLY ARRANGED APERTURE THERETHROUGH, A PLURALITY OF RADIALLY ARRANGED STRUCTURAL MEMBERS EXTENDING OUTWARDLY FROM SAID CENTERING ELEMENT AND EACH SAID STRUCTURAL MEMBER HAVING ITS UPPER EDGE OF PARABOLIC SHAPE, MEANS RADIALLY SPACED FROM SAID CENTERING ELEMENT FOR HOLDING SAID RADIALLY ARRANGED STRUCTURAL MEMBERS IN EQUAL DISTRIBUTION ABOUT A FULL CIRCLE, MEANS FOR SPANNING THE PERIPHERAL ENDS OF SAID RADIALLY ARRANGED STRUCTURE MEMBERS, AN ELECTRICALLY CONDUCTIVE PARABOLIC CENTRAL DISK POSITIONED OVER SAID APERTURE IN SAID CENTERING ELEMENT, A PLURALITY OF ELECTRICALLY CONDUCTIVE ABUTTING METALLIC PARABOLIC GORES ARRANGED CO-EXTENSIVELY WITH SAID CENTRAL DISK AND SUPPORTED ADJACENT THE UPPER PARABOLIC EDGES OF SAID RADIALLY ARRANGED STRUCTURAL MEMBERS TO THE PERIPHERAL ENDS OF SAID RADIALLY ARRANGED STRUCTURAL MEMBERS FOR INCREASING THE EFFECTIVE REFLECTING AREA OF SAID REFLECTOR, SEGMENTED SHEETS COVERING THE UNDERSIDE OF SAID RADIALLY EXTENDING STRUCTURAL MEMBERS SO AS TO ENCLOSE SAID ANTENNA REFLECTOR; WITH SAID PARABOLIC GORES AND SAID SEGMENTED SHEETS HAVING EACH OF THEIR EDGES CORRESPONDINGLY SECURED TO THE UPPER AND LOWER EDGES OF SAID STRUCTURAL MEMBERS, HOLDING MEANS, AND SPANNING MEANS, AND PEDESTAL MEANS FOR MOUNTING SAID CENTERING ELEMENT.

References Cited (Backward Citations)

US2679003A Cited
DE1013721B Cited
US3153789A Cited
US2985881A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-02-07 1969-08-09 1970-02-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-02-07 1973-08-09 1974-02-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-02-07 1977-08-09 1978-02-08 $7700.00 Window Closed / Lapsed

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