Nova Patents
US2256642A

Electric resistance element

Abstract

This record has no abstract on file.

Term

Term ended

Expired 23 September 1958, 68 years ago.

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

Every citation, both ways

Citations
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WO2006091531A3Cited byWorld Intellectual Property Organization (WIPO)International search
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US7223940B2Cited byUnited States of AmericaApplicant
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US2693023ACited byUnited States of AmericaSearch report
US2481728ACited byUnited States of AmericaSearch report
WO2006091531A2Cited byWorld Intellectual Property Organization (WIPO)International search
US2714149ACited byUnited States of AmericaSearch report
US4443691ACited byUnited States of AmericaSearch report
US2654819ACited byUnited States of AmericaSearch report