Expired, full termArchiveSolo inventor
Method of and apparatus for dyring a continuous web
US 2,012,115 A · Inventors: WOODRUFF MORGAN L
Overview
4 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 August 20, 1935. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by August 20, 1952.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledFebruary 17, 1932
GrantedAugust 20, 1935
Term endedAugust 20, 1952
Application number—
Classification (CPC)D21F5/00
Length9 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.