Dental cleaning instrument
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Description
The broken lines in
Claims
The ornamental design for a dental cleaning instrument, as shown and described.
Referenced Cited
U.S. Patent Documents
Patent History
Patent number: D669978
Type: Grant
Filed: May 27, 2011
Date of Patent: Oct 30, 2012
Assignee: Koninklijke Philips Electronics N.V. (Eindhoven)
Inventors: Edouard Gebski (Amersfoort), Suzette Van Maanen (Utrecht), Lieven Adriaenssen (Vilvoorde)
Primary Examiner: Wan Laymon
Application Number: 29/392,882
Type: Grant
Filed: May 27, 2011
Date of Patent: Oct 30, 2012
Assignee: Koninklijke Philips Electronics N.V. (Eindhoven)
Inventors: Edouard Gebski (Amersfoort), Suzette Van Maanen (Utrecht), Lieven Adriaenssen (Vilvoorde)
Primary Examiner: Wan Laymon
Application Number: 29/392,882
Classifications