Expired, full termArchiveSolo inventor
Valveless pump
US 1,410,129 A · Inventors: LOUIS SAUSSARD
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 March 21, 1922. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by March 21, 1939.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledApril 5, 1920
GrantedMarch 21, 1922
Term endedMarch 21, 1939
Application number—
Classification (CPC)F16N13/02
Length6 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.