Dental syringe tip

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Description

FIG. 1 is a left, rear perspective view of a dental syringe tip showing my new design;

FIG. 2 is a left side elevational view thereof, the other side being a mirror image;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D224655 August 1972 Dragan
D289682 May 5, 1987 Dragan
D292825 November 17, 1987 Dragan
D303427 September 12, 1989 Shimp et al.
3581399 August 1971 Dragan
3900954 August 1975 Dragan
4198756 April 22, 1980 Dragan
4295828 October 20, 1981 Rudler
4330280 May 18, 1982 Dougherty et al.
4384853 May 24, 1983 Welch
4391590 July 5, 1983 Dougherty
4767326 August 30, 1988 Bennett
Other references
  • Complete Pfingst dental catalog item 44-C burnisher, p. 94, 1984.
Patent History
Patent number: D320852
Type: Grant
Filed: May 15, 1989
Date of Patent: Oct 15, 1991
Assignee: Centrix, Inc. (Milford, CT)
Inventor: Melvin Drumm (Orange, CT)
Primary Examiner: Susan J. Lucas
Assistant Examiner: M. H. Tung
Attorneys: Arthur T. Fattibene, Paul A. Fattibene
Application Number: 7/351,817