Eccentric frame for an inlet of a catch basin or manhole

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United States of America Patent

PATENT NO 9157213
APP PUB NO 20140255098A1
SERIAL NO

14184847

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Abstract

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A frame for a cover for an inlet of one of a catch basin and a manhole is provided. The inlet has an inlet passageway having a first cross-sectional shape having an axis of symmetry. A hollow body of the frame defines a frame passageway and has a second cross-sectional shape having first and second sides opposite to one another. When the frame is installed, the hollow body has a lower end extending partially within at least one of the inlet passageway and a head portion reducing a surface area of the inlet passageway. The second cross-sectional shape is inscribed within the first cross-sectional shape, and a distance of the first side of the second cross-sectional shape to the axis of symmetry of the first cross-sectional shape is different from distance of the second side of the second cross-sectional shape to the axis of symmetry of the first cross-sectional shape.

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Patent Owner(s)

  • CANADA PIPE COMPANY ULC

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  • 2014 Application Filing Year
  • E05C Class
  • 356 Applications Filed
  • 296 Patents Issued To-Date
  • 83.15 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2014201520162017201820192020202120220255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Beaudoin, Pierre-Laurent Lévis, CA 11 111

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  • 5 Citation Count
  • E05C Class
  • 13.60 % this patent is cited more than
  • 10 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges34181284301 - 1011 - 2021 - 3031 - 400102030405060708090100110120130140150160170180190200

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