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Heat saving device

US D278,652 S · Inventors: Lindsey; Donald A.

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Overview

The published document from the USPTO: abstract, claims, description. Open it full size

Read the whole patent

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 April 30, 1985. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended April 30, 1999.
  • A design patent protects only how a product looks. We check US rights only.
FiledJune 20, 1983
GrantedApril 30, 1985
Term endedApril 30, 1999
Application number06/505851
Classification (CPC)—
Length3 pages

Timeline

Timeline From USPTO dates

1986198819901992199419961998Design grantedApril 30, 1985Term endedApril 30, 1999

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.