Dental syringe


FIG. 1 is a top perspective view of a dental syringe showing my new design;

FIG. 2 is a front elevational view thereof, the rear being identical in appearance;

FIG. 3 is a side elevational view thereof, the opposite side being identical in appearance;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
1181561 May 1916 Ballard
3253592 May 1966 Von Pechmann
3738006 June 1973 Lopez et al.
4312343 January 26, 1982 LeVeen et al.
4341211 July 27, 1982 Kline
4583974 April 22, 1986 Kokernak
Other references
  • S. S. White Dental Mfg. Co. Catalogue, Oct. 1952, p. 106, No. 39, Water Syringes.
Patent History
Patent number: D287877
Type: Grant
Filed: Jul 20, 1984
Date of Patent: Jan 20, 1987
Assignee: Johnson & Johnson Dental Products Company (East Windsor, NJ)
Inventors: Robert D. Holewinski (Lakehurst, NJ), Edward A. Weissenburger (Mercerville, NJ), William J. Blatherwick (Hamilton Square, NJ)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Attorney: Charles J. Metz
Application Number: 6/632,971
Current U.S. Class: D24/14