Nova Patents
US814367A

Toy building-block.

Abstract

This record has no abstract on file.

Term

Term ended

Expired 6 March 1923, 103.6 years ago.

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

Every citation, both ways

Citations
DocumentRelationOfficeCited during
US6450666B1Cited byUnited States of AmericaApplicant
US5499882ACited byUnited States of AmericaSearch report
US4152864ACited byUnited States of AmericaSearch report
US5577465ACited byUnited States of AmericaSearch report
US3296714ACited byUnited States of AmericaSearch report
US5690446ACited byUnited States of AmericaSearch report
US2005060922A1Cited byUnited States of AmericaPre-grant
US3013801ACited byUnited States of AmericaSearch report
US5624295ACited byUnited States of AmericaSearch report
US3226118ACited byUnited States of AmericaSearch report
US2012309260A1Cited byUnited States of AmericaPre-grant
US3333349ACited byUnited States of AmericaSearch report
US3074203ACited byUnited States of AmericaSearch report