LADDER FOR MAST ASSEMBLY

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20160047165A1
SERIAL NO

14461704

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A ladder for a mast assembly is provided. The ladder includes a frame assembly having a pair of side rails and a plurality of rungs. The ladder also includes a sub-assembly affixed to an interior facing side of the frame assembly. The sub-assembly includes a platform provided at a bottom section of the sub-assembly. The sub-assembly also includes a plurality of support rails provided at a top section of the sub-assembly. A first end of each of the support rails is pivotably coupled to the frame assembly. A second end of each of the support rails is configured to contact with the mast assembly when the ladder is in a deployed position with respect to the mast assembly. The frame assembly and the at least one sub-assembly is collapsible against the mast assembly.

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Patent Owner(s)

Patent OwnerAddress
PROGRESS RAIL SERVICES CORPORATION1600 PROGRESS DRIVE ALBERTVILLE AL 35950

International Classification(s)

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  • 2014 Application Filing Year
  • B61L Class
  • 197 Applications Filed
  • 172 Patents Issued To-Date
  • 87.31 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2014201520162017201820192020202120220255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
King, Donald A Louisville, US 2 2
Taylor, Ryan M Milton, US 1 1

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Patent Citation Ranking

  • 1 Citation Count
  • B61L Class
  • 12.24 % this patent is cited more than
  • 9 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges63453101 - 1011 - 2021 - 3051 - 60024681012141618202224262830323436

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