Nova Patents
US3890657A

Chemical dispenser for toilet

Abstract

An automatic dispensing mechanism for supplying a predetermined amount of liquid chemical to the bowl of a toilet tank combination for disinfecting, deodorizing, water conditioning, and the like.

Term

Term ended

Expired 24 June 1992, 34.3 years ago.

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

Every citation, both ways

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