Expired, full termArchiveSolo inventor
Yarn carrier with replaceable yarn guide means
US 2,214,372 A · Inventors: JOSEPH HELD
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 September 10, 1940. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by September 10, 1957.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMarch 8, 1939
GrantedSeptember 10, 1940
Term endedSeptember 10, 1957
Application number—
Classification (CPC)D04B15/64 +1 more
Length5 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.