Expired, full termArchiveSolo inventor
Machine for making boxes
US 1,407,331 A · Inventors: LA BOMBARD LEON E
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 21, 1922. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by February 21, 1939.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledSeptember 16, 1916
GrantedFebruary 21, 1922
Term endedFebruary 21, 1939
Application number—
Classification (CPC)B31B50/042 +1 more
Length7 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.