Dental evacuation hand piece
Brassil , et al. December 14, 1
U.S. patent number D417,730 [Application Number D/078,403] was granted by the patent office on 1999-12-14 for dental evacuation hand piece. Invention is credited to John Michael Brassil, Shu Kun Chang, Dickon Isaacs, Reynaldo Jose Quintana.
| United States Patent | D417,730 |
| Brassil , et al. | December 14, 1999 |
Dental evacuation hand piece
Claims
The ornamental design for a dental evacuation hand piece, as shown and described.
| Inventors: | Brassil; John Michael (Glenview, IL), Chang; Shu Kun (Evanston, IL), Quintana; Reynaldo Jose (Menlo Park, CA), Isaacs; Dickon (Chicago, IL) |
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| Appl. No.: | D/078,403 |
| Filed: | October 17, 1997 |
| Current U.S. Class: | D24/108; D24/112; D24/152 |
| Current International Class: | 2401 |
| Field of Search: | ;D24/108,111,113,133 ;433/114,116,99,95 |
References Cited [Referenced By]
U.S. Patent Documents
| D359118 | June 1995 | Nates |
| 4400168 | August 1983 | Buechel et al. |
| 5295830 | March 1994 | Shen et al. |
Assistant Examiner: Simmons; I
Attorney, Agent or Firm: Leydig, Voit & Mayer Ltd.
Description
FIG. 1 is a perspective view of the dental evacuation hand piece showing the new design:
FIG. 2 is a top view thereof;
FIG. 3 is a side view thereof, the opposite side view being identical thereto;
FIG. 4 is an end view thereof; and,
FIG. 5 is an side view thereof showing the end opposite that shown in FIG. 4.
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