Expired design patentArchiveSolo inventor
Personal diary sheet for the visually handicapped or the like
US D274,239 S · Inventors: Donadio; Lucien E.
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 12, 1984. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended June 12, 1998.
- A design patent protects only how a product looks. We check US rights only.
FiledFebruary 19, 1981
GrantedJune 12, 1984
Term endedJune 12, 1998
Application number06/235370
Classification (CPC)—
Length2 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.