Expired design patentArchive
Arithmetic operation control machine for an electronic computer
US D416,239 S · Assignee: Kabushiki Kaisha Toshiba · Inventors: Nagase; Koji
Overview
The published document from the USPTO: abstract, claims, description. Open it full size
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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.
Why it's free to use
- Granted November 9, 1999. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended November 9, 2013.
- A design patent protects only how a product looks. We check US rights only.
FiledDecember 30, 1998
GrantedNovember 9, 1999
Term endedNovember 9, 2013
Application numberD/098540
Classification (CPC)—
Length5 pages
Timeline
Timeline From USPTO dates
Sources & verification
Official USPTO records
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Everything on this page comes from the USPTO record linked above.