Expired, full termArchiveSolo inventor
Handleless discharge head for portable fluid dispensing apparatus
US 2,744,580 A · Inventors: SCHROEDER JR HENRY 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 May 8, 1956. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by May 8, 1973.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJuly 19, 1952
GrantedMay 8, 1956
Term endedMay 8, 1973
Application number—
Classification (CPC)B65D83/60 +1 more
Length3 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.