Patent Yard Sign in
Expired design patentArchive

Staff locator

US D297,640 S · Assignee: Tateco AB · Inventors: Hampf; Jan E. H.

USPTO PDF

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.

Why it's free to use

  • Granted September 13, 1988. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended September 13, 2002.
  • A design patent protects only how a product looks. We check US rights only.
FiledMay 5, 1986
GrantedSeptember 13, 1988
Term endedSeptember 13, 2002
Application number06/859750
Classification (CPC)—
Length2 pages

Timeline

Timeline From USPTO dates

1989199119931995199719992001Design grantedSep 13, 1988Term endedSep 13, 2002

Sources & verification