Patent Yard Sign in
Expired, full termArchiveSolo inventor

Halogenated organic nitrogen compounds and method of preparation

US 2,968,675 A · Inventors: BULLARD RALPH H et al.

USPTO PDF

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 January 17, 1961. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by January 17, 1978.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJune 19, 1940
GrantedJanuary 17, 1961
Term endedJanuary 17, 1978
Application number—
Classification (CPC)D06M13/415 +1 more
Length2 pages

Timeline

Timeline From USPTO dates

1941194519491953195719611965196919731977Application filedJune 19, 1940Patent grantedJan 17, 1961Term endedJan 17, 1978

Sources & verification