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:
Nov. 28, 1995
Filed:
May. 25, 1994
Yu-An Lin, Changhua Hsien, TW;
Other;
Abstract
The present invention relates to an improved leak-proof device for a bubbling port of an aquarium comprising a water tank, a base cover and a base disc, the water tank having a bubbling port on the bottom, and an exhaust outlet setting with a check valve. The base cover has an integrally molded communication connector, and on top of the connector, a check valve. The base disc has an air pump with a connected conduit. With the assembly of these members, air produced from the air pump may enter water tank for bubbling, and because of the check valve and related devices on the water tank and base cover, the bubbling port on the base, of the water tank has double leak-proof effect.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile