Three/four step ladder with a curve about

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8936134
APP PUB NO 20140069742A1
SERIAL NO

13970152

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A three-step pool ladder having the capability to have a fourth step and/or a curve-about ladder apparatus.

First Claim

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Patent Owner(s)

Patent OwnerAddress
CONFER PLASTICS INC97 WITMER ROAD NORTH TONAWANDA NY 14120

International Classification(s)

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  • 2013 Application Filing Year
  • E04F Class
  • 456 Applications Filed
  • 376 Patents Issued To-Date
  • 82.46 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2013201420152016201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lipniarski, David J North Tonawanda, US 17 162

Cited Art Landscape

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Patent Citation Ranking

  • 2 Citation Count
  • E04F Class
  • 12.26 % this patent is cited more than
  • 10 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges19962661231101 - 1011 - 2021 - 3031 - 4041 - 5061 - 7081 - 9091 - 10005101520253035404550556065707580859095100105

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11.5 Year Payment $7400.00 $3700.00 $1850.00 Jul 20, 2026