Nova Patents
US1663775A

Head for shipping drums

Abstract

This record has no abstract on file.

Term

Term ended

Expired 27 March 1945, 81.5 years ago.

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

Every citation, both ways

Citations
DocumentRelationOfficeCited during
DE1181622BCited byGermanySearch report
US2005189356A1Cited byUnited States of AmericaPre-grant
US9901508B2Cited byUnited States of AmericaApplicant
US9671029B2Cited byUnited States of AmericaSearch report
US3921850ACited byUnited States of AmericaSearch report