Expired, full termArchiveSolo inventor
Direct spinning machine
US 3,066,357 A · Inventors: KINGSBURY CHADWICK B
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 December 4, 1962. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by December 4, 1979.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledFebruary 2, 1960
GrantedDecember 4, 1962
Term endedDecember 4, 1979
Application number—
Classification (CPC)D01G1/08
Length8 pages
Timeline
Timeline From USPTO dates
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.