Expired, full termArchiveSolo inventor
Method for producing a fibrous mat
US 3,381,069 A · Inventors: SIMISON ALLEN L
Overview
2 drawing sheets
Every sheet is in the USPTO PDF.
Open the USPTO PDFRead 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 April 30, 1968. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by April 30, 1985.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJuly 15, 1965
GrantedApril 30, 1968
Term endedApril 30, 1985
Application number—
Classification (CPC)D04H1/00 +2 more
Length5 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.