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Dental cleaning apparatus

  • US 3,261,978 A
  • Filed: 05/27/1963
  • Issued: 07/19/1966
  • Est. Priority Date: 05/27/1963
  • Status: Expired due to Term
First Claim
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1. A TOOTHBRUSH COMPRISING AN ELONGATED HANDLE PROTION A HEAD PORTION, SAID HEAD PORTION HAVING BRISTLES SECURED TO ONE THEREOF, SAID HEAD PORTION BEING SUBSTANTIALLY SMALLER IN MASS THAN SAID HANDLE PORTION, SAID HEAD PORTION BEING SUFFICIENTLY SMALL TO BE USED IN THE MOUTH OF A PERSON FOR BRUSHING TEETH, A SOURCE OF ULTRAVIOLET LIGHT MOUNTED IN SAID ELONGATED HANDLE PORTION, SAID ELONGATED HANDLE PORTION COMPRISING A LIGHT TRANSMITTING ELEMENT, A FILTER MOUNTED ON SAID HEAD PORTION ADAPTED TO HAVE ULTRAVIOLET LIGHT TRANSMITTED THERETHROUGH FROM SAID SOURCE, AND SAID FILTER BEING ADAPTED TO PASS ULTRAVIOLET LIGHT OF ONLY ONE PARTICULAR WAVELENGTH THERETHROUGH.

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