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Publication numberUSD163085 S
Publication typeGrant
Publication dateMay 1, 1951
Filing dateJul 8, 1950
Publication numberUS D163085 S, US D163085S, US-S-D163085, USD163085 S, USD163085S
InventorsKatherine V. Bishop
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Set of sectional educational toy blocks
US D163085 S
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

May 1, 1951 K. v. BISHOP SET OF SECTIONAL EDUCATIONAL TOY BLOCKS Filed July 8, 1950 Snnentor war/7 5mm: M 5/5HUP (Ittorneg Patented May 1, 1951 Des. 163,085

UNITED STATES PATENT OFFICE SET OF SECTIONAL EDUCATIONAL TOY BLOCKS To all whom it may concern:

Be it known that I, Katherine V. Bishop, a citizen of the United States, residing in San Gabriel, in the county of Los Angeles and State of California, have invented a new, original, and ornamental Design for a Set of Sectional Educational Toy Blocks, of which the following is a specification, reference being had to the accompanying drawing, forming part thereof.

Fig. 1 is a plan view of a set of sectional educational toy blocks, showing my new design.

Fig. 2 is a perspective view of one of the blocks of the group shown in Fig. 1.

I claim:

The ornamental design for a set of sectional educational toy blocks, substantially as shown.

KATHERINE V. BISHOP.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 163,912 Birmeli June 1, 1875 777,268 Thompson Dec. 13, 1904 1,854,999 Ralls Apr. 19, 1932 2,310,800 Manhart' Feb. 9, 1943 FOREIGN PATENTS Number Country Date 5,539 Great Britain 1887

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US2701423 *Feb 1, 1952Feb 8, 1955Merrill Albert HEducational device with interfittable problem and answer members
US2860237 *Jul 11, 1956Nov 11, 1958Cell Ceiling IncCellular diffusion panel
US2937874 *Mar 25, 1959May 24, 1960Alfred EllisonArithmetic game
US6716033 *Nov 3, 2000Apr 6, 2004Kidspark, LlcSystem for teaching mathematics
US7771200 *Jan 25, 2006Aug 10, 2010Innovative Usa, Inc.Devices with push button-type mechanism and methods for using said devices