Foldable step

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10253565
APP PUB NO 20180363372A1
SERIAL NO

15780440

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The present invention relates to at least a foldable step mounted within a cabinet or cupboard of varying heights and having a minimal folded profile. The foldable step has a pair of cross members secured in a horizontal orientation to the cupboard. The cross members are coupled to a pair of cupboard support members. The cupboard support members are rotatably coupled to two offset members that rotate vertical support members to reach the floor. The vertical support members hold a plurality of steps using other support members. The entire linkage structure pivotally or slidably folds into a minimal profile.

First Claim

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Patent Owner(s)

Patent OwnerAddress
TNICO TECHNOLOGY DIVISION LTDLEDUC ALBERTA T9E 6W2

International Classification(s)

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  • 2016 Application Filing Year
  • A47B Class
  • 1233 Applications Filed
  • 953 Patents Issued To-Date
  • 77.30 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20162017201820192020202120220255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cornthwaite, Don Red Deer, CA 3 11

Cited Art Landscape

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Patent Citation Ranking

  • 2 Citation Count
  • A47B Class
  • 40.20 % this patent is cited more than
  • 6 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges359504245101 - 1011 - 2021 - 3031 - 400255075100125150175200225250275300325350375400425450475500525550

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Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Oct 9, 2026
11.5 Year Payment $7400.00 $3700.00 $1850.00 Oct 9, 2030