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:
Feb. 28, 1995
Filed:
May. 09, 1994
Joseph R Brown, Chicago Ridge, IL (US);
Other;
Abstract
A submersible device for changing colors in an aquarium comprising of a base member of a rigid construction and heavy weighted material to allow placement in the bottom of an aquarium. A housing having a lower surface coupled to the base with upstanding sidewalls and a cover piece with a dome-like top formed with clear transparent windows therethrough to define a chamber therewithin, the chamber including an upwardly extending post at a central extent thereof coaxial with the axis of top. A driven gear having a circular extent in a horizontal plane within the chamber and having teeth around the periphery thereof, the gear being mounted on the post for rotation with respect thereto. A submersible motor mounted within the chamber having a drive gear rotatable about a vertical axis with teeth in contact with the teeth of the driven gear for rotating and imparting rotation to the driven gear. A fixed light source mounted within the chamber above the post. A domed member mounted above and to the driven gear for rotation therewith at a location above the light source, the domed member being provided with a plurality of transparent plates of varying colors.