Childs counting book

Details Childs counting book Childs counting book

1999-11-19

2000-10-17

Ruirell, Sar

Education and demonstration

Mathematics

Arithmetic

434188, 434247, 434258, 281 42, 446151, G09B 1902

Patent

active

061322164

ABSTRACT:
The invention provides a child's counting or activity book having successive leaves formed with ascending numbers of sockets for mounting corresponding numbers of individual button-like, counters of a set. Each counter is anchored to a spine region by a ribbon permitting movement of the counter between any sockets. The counters are selected by the child according to instructions provided on a facing page by words, arabic numbers and illustrations of the corresponding counters. All counters of the set are initially mounted in through-sockets in the cover for storage and display.

REFERENCES:
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patent: 2304893 (1942-12-01), Dickson
patent: 2394372 (1946-02-01), Evans
patent: 2862309 (1958-12-01), Hellen
patent: 3143998 (1964-08-01), Madden
patent: 3714721 (1973-02-01), Tilley
patent: 3715816 (1973-02-01), White
patent: 4382794 (1983-05-01), Preus
patent: 5022342 (1991-06-01), Davis
patent: 5408950 (1995-04-01), Porto
patent: 5980354 (1999-11-01), Prest

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