Nova Patents
US1823218A

Hole cutter

Abstract

This record has no abstract on file.

Term

Term ended

Expired 15 September 1948, 78 years ago.

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

Every citation, both ways

Citations
DocumentRelationOfficeCited during
US10981236B2Cited byUnited States of AmericaSearch report
US7806750B2Cited byUnited States of AmericaSearch report
US4134906ACited byUnited States of AmericaSearch report
US2018117683A1Cited byUnited States of AmericaPre-grant
US3127663ACited byUnited States of AmericaSearch report
US2018117683A1Cited byUnited States of AmericaSearch report
US4057899ACited byUnited States of AmericaSearch report
US2008092703A1Cited byUnited States of AmericaPre-grant