Water purification cartridge for a dental instrument
Wolf , et al. October 25, 1
U.S. patent number D351,892 [Application Number D/001,252] was granted by the patent office on 1994-10-25 for water purification cartridge for a dental instrument. This patent grant is currently assigned to Time Motion Systems Company. Invention is credited to Leo H. Wolf, Mark F. Wolf.
| United States Patent | D351,892 |
| Wolf , et al. | October 25, 1994 |
Water purification cartridge for a dental instrument
Claims
The ornamental design for a water purification cartridge for a dental instrument, as shown and described.
| Inventors: | Wolf; Leo H. (River Falls, WI), Wolf; Mark F. (River Falls, WI) |
|---|---|
| Assignee: | Time Motion Systems Company
(River Falls, WI) |
| Appl. No.: | D/001,252 |
| Filed: | November 9, 1992 |
| Current U.S. Class: | D23/207; D24/176 |
| Field of Search: | ;210/97,198.1,205-206,231,244-246,257.1-257.2,258,260-261,275,282,287-290,295 ;433/141-147,80-83,124-125,114 ;D23/207-210 ;D24/111-114,176-177,133,146,152-154 |
References Cited [Referenced By]
U.S. Patent Documents
| D232551 | August 1974 | Grover |
| D254145 | February 1980 | Wilcock |
| D316740 | May 1991 | Kopf |
| 3522882 | August 1970 | Dykes |
| 3974071 | August 1976 | Dunn et al. |
| 4059522 | November 1977 | Polley et al. |
| 4476023 | October 1984 | Morikoshi et al. |
| 4609466 | April 1986 | McCausland et al. |
| 4888118 | December 1989 | Barnes et al. |
| 4950159 | August 1990 | Hansen |
| 4961698 | October 1990 | Vlock |
| 4978297 | December 1990 | Vlock |
| 5026359 | June 1991 | Burroughs |
| 5221468 | June 1993 | Fox et al. |
Assistant Examiner: Tung; M. H.
Attorney, Agent or Firm: Burd, Bartz & Gutenkauf
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.
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