Nova Patents
US3027865A

Clogged filter indicator

Abstract

This record has no abstract on file.

Term

Term ended

Expired 3 April 1979, 47.5 years ago.

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

Every citation, both ways

Citations
DocumentRelationOfficeCited during
US4747364ACited byUnited States of AmericaSearch report
US2006144232A1Cited byUnited States of AmericaPre-grant
US4491458ACited byUnited States of AmericaSearch report
US8964338B2Cited byUnited States of AmericaApplicant
US2006051474A1Cited byUnited States of AmericaPre-grant
US9765979B2Cited byUnited States of AmericaApplicant
US2006196196A1Cited byUnited States of AmericaPre-grant
US2008015797A1Cited byUnited States of AmericaPre-grant
US9285802B2Cited byUnited States of AmericaApplicant
US7343751B2Cited byUnited States of AmericaApplicant
US9021819B2Cited byUnited States of AmericaApplicant
US6186140B1Cited byUnited States of AmericaApplicant
US3556043ACited byUnited States of AmericaSearch report
US9551504B2Cited byUnited States of AmericaApplicant
US4701193ACited byUnited States of AmericaSearch report
US9086704B2Cited byUnited States of AmericaApplicant
US7275377B2Cited byUnited States of AmericaApplicant
US10775084B2Cited byUnited States of AmericaApplicant
US9194894B2Cited byUnited States of AmericaApplicant
US10060636B2Cited byUnited States of AmericaApplicant
US2008216495A1Cited byUnited States of AmericaPre-grant
US2008051945A1Cited byUnited States of AmericaPre-grant
US10558229B2Cited byUnited States of AmericaApplicant
US9885507B2Cited byUnited States of AmericaApplicant
US10884403B2Cited byUnited States of AmericaApplicant
US9762168B2Cited byUnited States of AmericaApplicant
US4610703ACited byUnited States of AmericaSearch report
US4488547ACited byUnited States of AmericaSearch report
US6190442B1Cited byUnited States of AmericaSearch report
US7887624B2Cited byUnited States of AmericaSearch report
US9046900B2Cited byUnited States of AmericaApplicant
US9876346B2Cited byUnited States of AmericaApplicant
US2006201168A1Cited byUnited States of AmericaPre-grant
US2006036349A1Cited byUnited States of AmericaPre-grant
US4696225ACited byUnited States of AmericaSearch report
US10352602B2Cited byUnited States of AmericaApplicant
US7331187B2Cited byUnited States of AmericaApplicant
US6110260ACited byUnited States of AmericaSearch report
US2006196197A1Cited byUnited States of AmericaPre-grant
US9703287B2Cited byUnited States of AmericaApplicant
US9669498B2Cited byUnited States of AmericaApplicant
US9638436B2Cited byUnited States of AmericaApplicant
US8974573B2Cited byUnited States of AmericaApplicant
US2009187281A1Cited byUnited States of AmericaPre-grant
US7470360B2Cited byUnited States of AmericaApplicant
US9121407B2Cited byUnited States of AmericaApplicant
US7562579B2Cited byUnited States of AmericaApplicant
US9017461B2Cited byUnited States of AmericaApplicant
US9590413B2Cited byUnited States of AmericaApplicant
US2008223051A1Cited byUnited States of AmericaPre-grant
DE102017210270A1Cited byGermanySearch report
US2006163127A1Cited byUnited States of AmericaPre-grant
US2008072687A1Cited byUnited States of AmericaPre-grant
US9310094B2Cited byUnited States of AmericaApplicant
US2009071392A1Cited byUnited States of AmericaPre-grant
US7201006B2Cited byUnited States of AmericaApplicant
US2009199645A1Cited byUnited States of AmericaPre-grant
US10488090B2Cited byUnited States of AmericaApplicant
US10286349B2Cited byUnited States of AmericaApplicant
US10443863B2Cited byUnited States of AmericaApplicant
US2011112814A1Cited byUnited States of AmericaPre-grant
US9803902B2Cited byUnited States of AmericaApplicant
US9140728B2Cited byUnited States of AmericaApplicant
US2006032245A1Cited byUnited States of AmericaPre-grant
US7424343B2Cited byUnited States of AmericaApplicant
US2006032379A1Cited byUnited States of AmericaPre-grant
US10234854B2Cited byUnited States of AmericaApplicant
US2009120298A1Cited byUnited States of AmericaPre-grant
US5917141ACited byUnited States of AmericaSearch report
US9304521B2Cited byUnited States of AmericaSearch report
US10335906B2Cited byUnited States of AmericaApplicant
US7469546B2Cited byUnited States of AmericaApplicant
US9823632B2Cited byUnited States of AmericaApplicant
US2008016888A1Cited byUnited States of AmericaPre-grant
US10458404B2Cited byUnited States of AmericaApplicant
US10274945B2Cited byUnited States of AmericaApplicant
US7244294B2Cited byUnited States of AmericaSearch report
US9081394B2Cited byUnited States of AmericaApplicant
US9310439B2Cited byUnited States of AmericaApplicant
USD950698SCited byUnited States of AmericaApplicant
US4321070ACited byUnited States of AmericaSearch report
US9833734B2Cited byUnited States of AmericaApplicant
US8034170B2Cited byUnited States of AmericaApplicant
US9023136B2Cited byUnited States of AmericaApplicant
US7921720B2Cited byUnited States of AmericaApplicant
US2007079589A1Cited byUnited States of AmericaPre-grant
US7494536B2Cited byUnited States of AmericaSearch report
US2505118ACitesUnited States of AmericaSearch report
US2700362ACitesUnited States of AmericaSearch report
US2815733ACitesUnited States of AmericaSearch report
US2921157ACitesUnited States of AmericaSearch report