Expired, full termArchiveSolo inventor
Method for producing iridescent filament
US 3,388,198 A · Inventors: SIMS JAMES G
Overview
1 drawing sheet
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 June 11, 1968. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by June 11, 1985.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJanuary 27, 1966
GrantedJune 11, 1968
Term endedJune 11, 1985
Application number—
Classification (CPC)D01D10/0436 +2 more
Length7 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.