Patent Yard Sign in
Expired, full termArchiveSolo inventor

Submarine mine.

US 1,237,492 A

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 August 21, 1917. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by August 21, 1934.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
Filed—
GrantedAugust 21, 1917
Term endedAugust 21, 1934
Application number—
Classification (CPC)F42B22/10
Length4 pages

Timeline

Timeline From USPTO dates

191819201922192419261928193019321934Patent grantedAug 21, 1917Term endedAug 21, 1934

Sources & verification