Expired, full termArchiveSolo inventor
Apparatus for cutting weft yarn ends under tension on a shuttleless loom
US 3,461,920 A · Inventors: SAKAMOTO TOEMON
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 19, 1969. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by August 19, 1986.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledAugust 23, 1967
GrantedAugust 19, 1969
Term endedAugust 19, 1986
Application number—
Classification (CPC)D03D49/70
Length6 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.