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Liquid detergent dispenser

  • US 3,107,824 A
  • Filed: 02/14/1961
  • Issued: 10/22/1963
  • Est. Priority Date: 02/14/1961
  • Status: Expired due to Term
First Claim
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1. A LIQUID ADDITIVE DISPENSER COMPRISING RESERVOIR MEANS FOR STORING A QUANTITY OF SUCH ADDITIVE, AN OUTLET FOR LIQUID FROM THE RESERVOIR MEANS INCLUDING CHECK VALVE MEANS, A COLLAPSIBLE BELLOWS WITHIN THE RESERVOIR MEANS, SAID BELLOWS HAVING AN APERTURE AND BEING EXTENSIBLE TO DEFINE A CAVITY IN THE RESERVOIR MEANS WHICH IS FILLED WITH THE LIQUID THEREOF PROCEEDING THROUGH SAID APERTURE, MEANS FOR ADJUSTING THE DEGREE OF CAVITY-DEFINING EXTENSION OF THE BELLOWS TO VARY THE VOLUME OF THE CAVITY AND THERE-

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