Expired, full termArchiveSolo inventor
Cylindrical mill for grinding cement
US 3,441,226 A · Inventors: BARGERO CAMILLO
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 April 29, 1969. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by April 29, 1986.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJuly 18, 1966
GrantedApril 29, 1969
Term endedApril 29, 1986
Application number—
Classification (CPC)B02C17/07 +1 more
Length5 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.