Expired, full termArchiveSolo inventor
Vacuum fountain
US 1,935,159 A · Inventors: MOKLER RUSSELL R
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 November 14, 1933. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by November 14, 1950.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJuly 23, 1930
GrantedNovember 14, 1933
Term endedNovember 14, 1950
Application number—
Classification (CPC)A01K7/04 +2 more
Length4 pages
Timeline
Timeline From USPTO dates
Sources & verification
Official USPTO records
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Everything on this page comes from the USPTO record linked above.