Expired, full termArchiveSolo inventor
Control valve for water bells
US 2,236,320 A · Inventors: MOSEL JOSEPH 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 March 25, 1941. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by March 25, 1958.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledDecember 28, 1939
GrantedMarch 25, 1941
Term endedMarch 25, 1958
Application number—
Classification (CPC)F16K15/1402 +2 more
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.