Expired, full termArchiveSolo inventor
Method and apparatus for positioning a continuous thread or cord on a support surface
US 3,674,584 A · Inventors: KLEIN NORMAN E
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 July 4, 1972. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by July 4, 1989.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
Filed—
GrantedJuly 4, 1972
Term endedJuly 4, 1989
Application number—
Classification (CPC)B29D30/70 +1 more
Length9 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.