Patent Yard Sign in
Expired, full termArchiveSolo inventor

Process of making smokeless powder

US 2,247,392 A · Inventors: LINDSLEY JR MILTON F

USPTO PDF

Overview

The published document from the USPTO: abstract, claims, description and drawings. Open it full size

No Claude kit for weapons

Claude doesn't help design weapons, ammunition or explosives, so this page has no Reinvent kit. To develop this one, work with a federally licensed manufacturer (many of these items are regulated) and a registered patent attorney or agent, listed on the USPTO roster.

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.

Why it's free to use

  • Granted July 1, 1941. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by July 1, 1958.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJanuary 25, 1934
GrantedJuly 1, 1941
Term endedJuly 1, 1958
Application number—
Classification (CPC)C06B21/0008
Length2 pages

Timeline

Timeline From USPTO dates

19351938194119441947195019531956Application filedJan 25, 1934Patent grantedJuly 1, 1941Term endedJuly 1, 1958

Sources & verification