Petri dish

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Description

FIG. 1 is a perspective view of a petri dish showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevation thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a fragmentary cross-section taken on line 5--5 of FIG. 1; and

FIG. 6 is a top plan view of a modified embodiment of the petri dish illustrated in FIGS. 1 and 2.

Referenced Cited
U.S. Patent Documents
D171443 February 1954 Flett
D258761 March 31, 1981 Graham
1734979 November 1929 Persons
3198713 August 1965 McCormick
3684660 August 1972 Kereluk et al.
4247634 January 27, 1981 Abdou
Other references
  • Carolina Biological Supply Co., 1980-1981, Catalog 51, .COPYRGT.1980, item No. #74-1346, Disposable Petri Dish.
Patent History
Patent number: D272185
Type: Grant
Filed: Mar 6, 1981
Date of Patent: Jan 10, 1984
Inventor: Joseph D. Schlesinger (Ojai, CA)
Primary Examiner: Bernard Ansher
Law Firm: Christie, Parker & Hale
Application Number: 6/241,245
Classifications
Current U.S. Class: D24/29; D24/17
International Classification: D2402;