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Expired design patentArchive

Duct tap with an indented end

US D475,449 S · Assignee: Eastern Sheet Metal LLC · Inventors: Stout, Jr.; William K.

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Overview

4 drawing sheets

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Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.

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Why it's free to use

  • Granted June 3, 2003. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended June 3, 2017.
  • A design patent protects only how a product looks. We check US rights only.
FiledMarch 20, 2001
GrantedJune 3, 2003
Term endedJune 3, 2017
Application numberD/138820
Classification (CPC)—
Length6 pages

Sources & verification

Official USPTO records

Full published documentText and every drawing sheet as a PDF.USPTOFile historyStatus, office actions, notices, fee records and petitions.USPTO Patent CenterPatent Public Search recordSearchable full text and bibliographic data.USPTO

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comJustia PatentsFull text, claims and classification.patents.justia.comFreePatentsOnlineFull text and PDF.freepatentsonline.comEspacenetForeign family and legal status.European Patent Office

Everything on this page comes from the USPTO record linked above.