Suction head for dental use

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Description

FIG. 1 is a perspective view of a suction head for dental use such as a saliva extractor;

FIG. 2 is a side elevational view of the suction head;

FIG. 3 is an end elevational view of the suction head, the opposite end being substantially identical;

FIG. 4 is a perspective view of another embodiment of the design;

FIG. 5 is a view similar to FIG. 2 of the other embodiment; and

FIG. 6 is a view similar to FIG. 3 of the other embodiment.

Referenced Cited
U.S. Patent Documents
D247574 March 21, 1978 Orsing
D258531 March 10, 1981 Orsing
3299511 January 1967 Hutson
3557456 January 1971 Hutchinson
4325695 April 20, 1982 Sundelin et al.
Other references
  • Guide for Patent Draftsman, 1975, p. 18, Item #2, Mech. Symbols, Section of a Pipe, p. 7, Fragmentary Pipe.
Patent History
Patent number: D270183
Type: Grant
Filed: Jan 26, 1981
Date of Patent: Aug 16, 1983
Assignee: Mediman Ky
Inventor: Rainer Govenius (Nastola)
Primary Examiner: Bernard Ansher
Law Firm: McGlew and Tuttle
Application Number: 6/228,451
Classifications
Current U.S. Class: D24/10; D 7/42
International Classification: D2402;