Walker apparatus and backrest therefor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9339432
APP PUB NO 20150245973A1
SERIAL NO

14193806

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Abstract

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There is provided a walker apparatus having a pair of spaced-apart, upright frame members. The walker apparatus includes a seat operatively connected to the upright frame members. The walker apparatus has a backrest cantilevered from the frame members. The backrest has at least one opening extending therethrough for permitting a user's vision past the backrest when the user grips the upright frame members.

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Patent Owner(s)

Patent OwnerAddress
EVOLUTION TECHNOLOGIES INCPORT COQUITLAM BRITISH COLUMBIA V3C 2J9

International Classification(s)

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  • 2014 Application Filing Year
  • A61H Class
  • 730 Applications Filed
  • 591 Patents Issued To-Date
  • 80.96 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201420152016201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cinguino, Nicolas Shanghai, CN 3 36
Liu, Julian Port Moody, CA 39 547

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Patent Citation Ranking

  • 15 Citation Count
  • A61H Class
  • 84.54 % this patent is cited more than
  • 9 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges6419332671101 - 1011 - 2021 - 3031 - 4061 - 7091 - 1000102030405060708090100110120130140150160170180190200210

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