Expired, full termArchiveSolo inventor
Apparatus for the continuous cutting of building blocks from a fibrous mixture
US 3,269,237 A · Inventors: ELTEN GERRIT JAN VAN
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 August 30, 1966. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by August 30, 1983.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMarch 13, 1962
GrantedAugust 30, 1966
Term endedAugust 30, 1983
Application number—
Classification (CPC)B27N3/183 +2 more
Length4 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.