Nova Patents
US972001A

Ladder attachment.

Abstract

This record has no abstract on file.

Term

Term ended

Expired 4 October 1927, 99 years ago.

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

Every citation, both ways

Citations
DocumentRelationOfficeCited during
US9725954B2Cited byUnited States of AmericaSearch report
US2015047924A1Cited byUnited States of AmericaPre-grant
US4394887ACited byUnited States of AmericaSearch report
US7377360B1Cited byUnited States of AmericaSearch report
US2597902ACited byUnited States of AmericaSearch report
US4765439ACited byUnited States of AmericaSearch report
US2016153234A1Cited byUnited States of AmericaPre-grant
US9366083B2Cited byUnited States of AmericaSearch report
US2016201392A1Cited byUnited States of AmericaPre-grant
US2542256ACited byUnited States of AmericaSearch report