The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 31, 1996
Filed:
Apr. 21, 1995
Nobuyuki Yoshida, Tokyo, JP;
Nihon Doubutsu Yakuhin Kabushikigaisva, Tokyo, JP;
Abstract
A spawning case for use in an aquarium comprises in combination a rectangular case body (A) and filter (B). The case body (A) is arranged within the aquarium so as to communicate with water. The case body A includes a multiplicity of passage slits (11) and a W-shaped partition member (20) having communication paths (24) formed at its valleys. The filter (B) is removably mounted on the external surface of the case body (A). The filter (B) includes on its one side an intake (C) which is brought into intimate contact with the passage slits (11), and at its upper portion a discharge port (33) capable of being selectively directed toward either the interior or the exterior of the case body (A).