Nova Patents
US2964779A

Delayed action door closer

Abstract

This record has no abstract on file.

Term

Term ended

Expired 20 December 1977, 48.8 years ago.

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

Every citation, both ways

Citations
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EP3124730A1Cited byEuropean Patent Office (EPO)Search report
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