Expired, full termArchiveSolo inventor
Cover plate for eye protecting device
US 3,225,357 A · Inventors: THOMAS JOHNSON
Overview
The published document from the USPTO: abstract, claims, description and drawings. 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 December 28, 1965. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by December 28, 1982.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMarch 22, 1963
GrantedDecember 28, 1965
Term endedDecember 28, 1982
Application number—
Classification (CPC)A61F9/025
Length2 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.