Door latch assembly with movable lock plate

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United States of America Patent

PATENT NO 9540842
APP PUB NO 20130020813A1
SERIAL NO

13189098

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A latch assembly for a door comprising a bolt disposed on the door, the bolt movable between a locked position and an unlocked position. The latch assembly further includes a lock plate disposed on a door jamb, the lock plate movable between an upper position and a lower position. During operation, when the bolt is in the locked position, the bolt slideably engages the lock plate to move the lock plate from the lower position to an upper position to enable the bolt to be inserted within an opening in the lock plate to secure the door in a closed position.

First Claim

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Patent Owner(s)

Patent OwnerAddress
OVERHEAD DOOR CORPORATION2501 SOUTH STATE HIGHWAY 121 SUITE 200 LEWISVILLE TX 75067

International Classification(s)

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  • 2011 Application Filing Year
  • E05B Class
  • 449 Applications Filed
  • 319 Patents Issued To-Date
  • 71.05 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201120122013201420152016201720182019202020210255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Storr, Walter K North Wales, US 1 16

Cited Art Landscape

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Patent Citation Ranking

  • 4 Citation Count
  • E05B Class
  • 19.44 % this patent is cited more than
  • 8 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges772743653101 - 1011 - 2021 - 3031 - 4041 - 50020406080100120140160180200220240260280300

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11.5 Year Payment $7400.00 $3700.00 $1850.00 Jul 10, 2028