Expired, full termArchiveSolo inventor
Method of producing television tube face
US 2,622,016 A · Inventors: GILSTRAP VERNON M et al.
Overview
This document has no drawings.
Claude can sketch it from the patent text.
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 16, 1952. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by December 16, 1969.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMay 18, 1950
GrantedDecember 16, 1952
Term endedDecember 16, 1969
Application number—
Classification (CPC)H01J29/86
Length3 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.