Expired, full termArchiveSolo inventor
Apparatus for printing and assembling manifolding books, pads, etc.
US 1,621,189 A · Inventors: BROWN HORACE P
Overview
3 drawing sheets
Every sheet is in the USPTO PDF.
Open the USPTO PDFRead 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 March 15, 1927. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by March 15, 1944.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMay 14, 1923
GrantedMarch 15, 1927
Term endedMarch 15, 1944
Application number—
Classification (CPC)B41F17/02
Length6 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.