Patent attributes
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.
