Microbiological testing syringe

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Description

FIG. 1 is a top plan view of a microbiological testing syringe showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top and left-front perspective view thereof with the plunger in an extended position.

Referenced Cited
U.S. Patent Documents
D224604 August 1972 Huggins
D252586 August 7, 1979 Kovach
D255665 July 1, 1980 Lewis
D257567 November 25, 1980 Peacock
3855868 December 1974 Suovaniemi
3963355 June 15, 1976 Aldridge
4054491 October 18, 1977 Lindgren
4276048 June 30, 1981 Leaback
4335621 June 22, 1982 Teruamaki
4398382 August 16, 1983 Suovaniemi
Patent History
Patent number: D275234
Type: Grant
Filed: Apr 23, 1982
Date of Patent: Aug 21, 1984
Assignee: Commonwealth Serum Laboratories Commission (Parkville)
Inventors: Howard M. Chandler (Kangaroo Ground), Kevin Healey (Niddrie), John G. R. Hurrell (Strathmore)
Primary Examiner: Nelson C. Holtje
Law Firm: Sughrue, Mion, Zinn, Macpeak and Seas
Application Number: 6/371,048
Classifications
Current U.S. Class: D24/55