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Publication of BE683593ApublicationCriticalpatent/BE683593A/xx
A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
A63H33/00—Other toys
A63H33/04—Building blocks, strips, or similar building parts
A63H33/06—Building blocks, strips, or similar building parts to be assembled without the use of additional elements
A63H33/08—Building blocks, strips, or similar building parts to be assembled without the use of additional elements provided with complementary holes, grooves, or protuberances, e.g. dovetails
A63H33/084—Building blocks, strips, or similar building parts to be assembled without the use of additional elements provided with complementary holes, grooves, or protuberances, e.g. dovetails with grooves
A—HUMAN NECESSITIES
A63—SPORTS; GAMES; AMUSEMENTS
A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
A63H33/00—Other toys
A63H33/04—Building blocks, strips, or similar building parts
A63H33/06—Building blocks, strips, or similar building parts to be assembled without the use of additional elements
A63H33/08—Building blocks, strips, or similar building parts to be assembled without the use of additional elements provided with complementary holes, grooves, or protuberances, e.g. dovetails
A63H33/082—Building blocks, strips, or similar building parts to be assembled without the use of additional elements provided with complementary holes, grooves, or protuberances, e.g. dovetails with dovetails