Expired design patentArchive
Light emitting diode
US D640,643 S · Assignee: Everlight Electronics Co., Ltd. · Inventors: Hsieh; Chung-Chuan
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 June 28, 2011. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended June 28, 2025.
- A design patent protects only how a product looks. We check US rights only.
FiledApril 7, 2010
GrantedJune 28, 2011
Term endedJune 28, 2025
Application numberD/359194
Classification (CPC)—
Length6 pages
Timeline
Timeline From USPTO dates
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.