Contact plate

Details Contact plate Contact plate

2005-05-09

2008-11-18

Nguyen, Khiem (Department: 2839)

Chemistry: molecular biology and microbiology

Apparatus

Including measuring or testing

C435S305400

Reexamination Certificate

active

07452711

ABSTRACT:
A contact plate for growing cell cultures, bacteria cultures, and the like, comprising a base and a cover. The base has a bottom wall for holding the culture medium and the like, and a circumferential sidewall extending upwardly from the bottom wall and attached thereto. The base further incorporates a flange extending outwardly from the outer periphery of the sidewall. The cover has a top wall, which has a larger diameter than the base sidewall, and a circumferential sidewall extending downwardly from the top wall and attached thereto. The contact plate has a locking means for securely holding the cover to the base of the contact plate in the locked position, wherein the locking means comprises an inter-engaging rib and groove arrangement.

REFERENCES:
patent: 3649463 (1972-03-01), Buterbaugh
patent: D238886 (1976-02-01), Goy
patent: 5725123 (1998-03-01), Otto-Nagels
patent: 5856176 (1999-01-01), Mathus et al.
patent: 6602704 (2003-08-01), Maxwell et al.
patent: 6969606 (2005-11-01), Minton
patent: 6969607 (2005-11-01), Minton

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