Expired, full termArchiveSolo inventor
Mixing and dispensing apparatus
US 2,722,357 A · Inventors: WHITECAR ALTEN E
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 November 1, 1955. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by November 1, 1972.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJune 5, 1953
GrantedNovember 1, 1955
Term endedNovember 1, 1972
Application number—
Classification (CPC)B65B1/04
Length5 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.