Self leveling step ladder

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10689907
APP PUB NO 20180002984A1
SERIAL NO

15705598

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A self leveling stepladder with a universal hinge joint providing many new advantages that traditional a-frame step ladders are not capable to offer.

First Claim

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Patent Owner(s)

Patent OwnerAddress
HUME DAVID JKAILUA-KONA HI

International Classification(s)

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  • 2017 Application Filing Year
  • E06C Class
  • 164 Applications Filed
  • 113 Patents Issued To-Date
  • 68.91 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hume, David J Kailua-Kona, US 2 3

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Patent Citation Ranking

  • 0 Citation Count
  • E06C Class
  • 0 % this patent is cited more than
  • 5 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges11034101 - 1021 - 3005101520253035404550556065707580859095100105110115120

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