Expired, full termArchiveSolo inventor
Page printing device with marking material bearing web between scanning styli and record medium
US 3,427,633 A · Inventors: WATERMAN HERBERT C
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 February 11, 1969. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by February 11, 1986.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMay 4, 1964
GrantedFebruary 11, 1969
Term endedFebruary 11, 1986
Application number—
Classification (CPC)B41J2/3855
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.