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Pair of welding helmet visor flanges

US D524,992 S · Assignee: 3M Innovative Properties Company · Inventors: Belin; Rutger et al.

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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 July 11, 2006. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended July 11, 2020.
  • A design patent protects only how a product looks. We check US rights only.
FiledAugust 9, 2005
GrantedJuly 11, 2006
Term endedJuly 11, 2020
Application numberD/236038
Classification (CPC)—
Length6 pages

Timeline

Timeline From USPTO dates

2007200920112013201520172019Design grantedJuly 11, 2006Term endedJuly 11, 2020

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

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