Water purification cartridge for a dental instrument

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Description

FIG. 1 is a perspective view of a water purification cartridge for a dental instrument showing our new design;

FIG. 2 is a side elevational view thereof, the opposite side, top, and bottom views are identical;

FIG. 3 is an end elevational view thereof, the opposite end being a mirror image; and,

FIG. 4 is a sectional view taken along the line 4--4 of FIG. 2.

Referenced Cited
U.S. Patent Documents
D232551 August 1974 Grover
D254145 February 5, 1980 Wilcock
D316740 May 7, 1991 Kopf
3522882 August 1970 Dykes
3974071 August 10, 1976 Dunn et al.
4059522 November 22, 1977 Polley et al.
4476023 October 9, 1984 Morikoshi et al.
4609466 September 2, 1986 McCausland et al.
4888118 December 19, 1989 Barnes et al.
4950159 August 21, 1990 Hansen
4961698 October 9, 1990 Vlock
4978297 December 18, 1990 Vlock
5026359 June 25, 1991 Burroughs
5221468 June 22, 1993 Fox et al.
Patent History
Patent number: D351892
Type: Grant
Filed: Nov 9, 1992
Date of Patent: Oct 25, 1994
Assignee: Time Motion Systems Company (River Falls, WI)
Inventors: Leo H. Wolf (River Falls, WI), Mark F. Wolf (River Falls, WI)
Primary Examiner: Wallace R. Burke
Assistant Examiner: M. H. Tung
Law Firm: Burd, Bartz & Gutenkauf
Application Number: 0/1,252
Classifications