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. 07, 2000
Filed:
Mar. 04, 1999
Igor Goldman, Montgomery, MD (US);
Other;
Abstract
A logical toy has two coaxial, spring-biased parallel plates formed as disks which are concentrically turnable about a common axis and are provided with arcs, a plurality of toy logical elements surrounded by the arcs and turnable inside the arcs, the toy logical elements being formed as parts of a cylinder, one of the plates having an inner surface provided with a ring-shaped passage with depressions for fixing of a mutual turning of the plates, the other of the plates having an inner surface provided with ring-shaped projection corresponding to a diameter of the ring-shaped passage and having spherical projections, the ring-shaped projections having a height which is greater than a height of spherical projections, the ring-shaped passage with the depressions and the ring-shaped projection with the spherical projections being located concentrically to the axis of turning of the plates at the minimal distance from the axis, the arcs and the inner surfaces of the plates having a common sides provided with radii, the inner surfaces of the arcs having fixators of position of the toy logical elements which are formed as transverse slots, the plates being provided with setting openings, a movable and immovable attachments pressed-in the setting openings, massaging attachments and further attachments pressed in an outer surface of the plates.