Expired, full termArchiveSolo inventor
Apparatus for and method of producing character type fonts on a cathode ray display tube
US 2,758,237 A · Inventors: STEINHARDT LAWRENCE R
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 August 7, 1956. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by August 7, 1973.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledApril 22, 1955
GrantedAugust 7, 1956
Term endedAugust 7, 1973
Application number—
Classification (CPC)H01J31/16
Length4 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.