Expired, full termArchiveSolo inventor
Apparatus for converting bundles of continuous filaments into a sliver or roving of staple fiber
US 2,531,787 A · Inventors: CECIL RHODES et al.
Overview
5 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 November 28, 1950. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by November 28, 1967.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMarch 13, 1946
GrantedNovember 28, 1950
Term endedNovember 28, 1967
Application number—
Classification (CPC)D01G1/10
Length9 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.