Expired, full termArchiveSolo inventor
Paper composed of synthetic fibers, and fibrous binder for use in the manufacture thereof
US 3,035,965 A · Inventors: MATHEWS JOHN H
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 May 22, 1962. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by May 22, 1979.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledSeptember 23, 1958
GrantedMay 22, 1962
Term endedMay 22, 1979
Application number—
Classification (CPC)D21H5/12 +2 more
Length5 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.