Dental suction head
Mahl December 11, 1
U.S. patent number D312,872 [Application Number 07/191,473] was granted by the patent office on 1990-12-11 for dental suction head. Invention is credited to Thomas Mahl.
| United States Patent | D312,872 |
| Mahl | December 11, 1990 |
Dental suction head
Claims
The ornamental design for a dental suction head, as shown and described.
| Inventors: | Mahl; Thomas (S-640 32 Malmkoping, SE) |
|---|---|
| Appl. No.: | 07/191,473 |
| Filed: | May 9, 1988 |
Foreign Application Priority Data
| Nov 9, 1987 [SE] | 87-2571 | |||
| Current U.S. Class: | D24/112 |
| Field of Search: | ;D24/10,16 ;433/92,94,95,3,141,147,91,93,96 |
References Cited [Referenced By]
U.S. Patent Documents
| D270183 | August 1983 | Govenius |
| 3557456 | January 1971 | Hutchinson |
| 4058896 | November 1977 | Moore |
| 4538631 | September 1985 | Prince |
| 900128 | Dec 1953 | DE | |||
| 2595939 | Sep 1987 | FR | |||
Assistant Examiner: Tung; M. H.
Attorney, Agent or Firm: Armstrong, Nikaido, Marmelstein, Kubovcik & Murray
Description
FIG. 1 is a front elevational view of a dental suction head showing my new design;
FIG. 2 is a right side elevational view thereof, the left side being a mirror image;
FIG. 3 is a rear elevational view thereof.
FIG. 4 is a top plan view thereof.
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