Expired design patentArchive
Electronic computer
US D517,543 S · Assignee: Hitachi, Ltd. · Inventors: Nakajima; Isshu et al.
Overview
9 drawing sheets
Every sheet is in the USPTO PDF.
Open the USPTO PDFRead 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 March 21, 2006. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended March 21, 2020.
- A design patent protects only how a product looks. We check US rights only.
FiledFebruary 25, 2005
GrantedMarch 21, 2006
Term endedMarch 21, 2020
Application numberD/224201
Classification (CPC)—
Length10 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.