Nova Patents
US2480955A

Joint sealing means for well heads

Abstract

This record has no abstract on file.

Term

Term ended

Expired 6 September 1966, 60 years ago.

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

Every citation, both ways

Citations
DocumentRelationOfficeCited during
US8347982B2Cited byUnited States of AmericaApplicant
US8408297B2Cited byUnited States of AmericaApplicant
US8322432B2Cited byUnited States of AmericaApplicant
US10024154B2Cited byUnited States of AmericaApplicant
US6263982B1Cited byUnited States of AmericaApplicant
US7934545B2Cited byUnited States of AmericaApplicant
US5662181ACited byUnited States of AmericaSearch report
US2532662ACited byUnited States of AmericaSearch report
US7487837B2Cited byUnited States of AmericaApplicant
US9175542B2Cited byUnited States of AmericaApplicant
US5647444ACited byUnited States of AmericaSearch report
US8939235B2Cited byUnited States of AmericaApplicant
US8863858B2Cited byUnited States of AmericaApplicant
US6913092B2Cited byUnited States of AmericaApplicant
US9359853B2Cited byUnited States of AmericaApplicant
US7448454B2Cited byUnited States of AmericaApplicant
US7237623B2Cited byUnited States of AmericaApplicant
US7159669B2Cited byUnited States of AmericaApplicant
US8286734B2Cited byUnited States of AmericaApplicant
US8826988B2Cited byUnited States of AmericaApplicant
US8714240B2Cited byUnited States of AmericaApplicant
US9784073B2Cited byUnited States of AmericaApplicant
US7836946B2Cited byUnited States of AmericaApplicant
US9260927B2Cited byUnited States of AmericaApplicant
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US8844652B2Cited byUnited States of AmericaApplicant
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