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:
Jun. 13, 2000
Filed:
Dec. 31, 1997
Applicant:
Inventor:
Tibor Horvath, Springfield, NJ (US);
Assignee:
Ethical Products, Inc., Newark, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01K / ;
U.S. Cl.
CPC ...
119256 ;
Abstract
An aquarium fountain for the improved circulation in a cascading manner of a fixed quantity of particulate matter such as sand. The fountain includes a housing having a receptacle for containing and receiving the fixed quantity of sand. The housing includes an air lift tube having an inlet end in communication with the particulate matter to be circulated and an outlet end out of which the particulate matter is expelled. The outlet end of the air lift tube extends into an upper chamber of the housing. The upper chamber is configured to have an air pocket located between the outlet end and an air escape opening located in a wall of the housing.