Nova Patents
US2390964A

Penknife

Abstract

This record has no abstract on file.

Term

Term ended

Expired 11 December 1962, 63.8 years ago.

  1. Priority and filed
  2. Granted
  3. Expired
  4. Today

Every citation, both ways

Citations
DocumentRelationOfficeCited during
US7533467B2Cited byUnited States of AmericaSearch report
US2006242841A1Cited byUnited States of AmericaPre-grant
US10800052B1Cited byUnited States of AmericaApplicant
US2631371ACited byUnited States of AmericaSearch report
US3085331ACited byUnited States of AmericaSearch report