Water purification cartridge for a dental instrument
Latest Time Motion Systems Company Patents:
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
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