Expired, full termArchiveSolo inventor
Washing machine
US 2,292,789 A · Inventors: ALBERT MATTHEWS
Overview
The published document from the USPTO: abstract, claims, description and drawings. Open it full size
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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 August 11, 1942. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by August 11, 1959.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJune 21, 1940
GrantedAugust 11, 1942
Term endedAugust 11, 1959
Application number—
Classification (CPC)D06F21/04
Length8 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.