UN APARATO PARA LA PRODUCCIoN DE UN COJiN REVERSIBLE DE CAUCHO ESPONJOSO MOLDEADO

摘要

725,855. Cushions. UNITED STATES RUBBER CO. April 20, 1953 [April 29, 1952], No. 10685/53. Class 52 (4). [Also in Group V] Sponge rubber cushions having tubular or like cavities with their longitudinal axes extending the length or width of the cushion and communicating with one another at one end, are moulded from latex foam (See Group V).