Expired, full termArchiveSolo inventor
Safety-holder for milk-bottles and the like
US 1,392,809 A · Inventors: WILHELM JOHN H
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 October 4, 1921. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by October 4, 1938.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledFebruary 11, 1919
GrantedOctober 4, 1921
Term endedOctober 4, 1938
Application number—
Classification (CPC)A47G29/26
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.