Nova Patents
US1872166A

Screw

Abstract

This record has no abstract on file.

Term

Term ended

Expired 16 August 1949, 77.1 years ago.

  1. Priority
  2. Filed
  3. Granted
  4. Expired
  5. Today

Every citation, both ways

Citations
DocumentRelationOfficeCited during
US5461209ACited byUnited States of AmericaSearch report
US6712708B2Cited byUnited States of AmericaApplicant
US2783809ACited byUnited States of AmericaSearch report
US6494655B1Cited byUnited States of AmericaSearch report
US2787186ACited byUnited States of AmericaSearch report
US4762450ACited byUnited States of AmericaSearch report