Petri dish
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
Other references
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 |
- 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
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;
International Classification: D2402;