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Standard Products Co

Standard P
Active Patents
0
Total Holdings
13

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3594825A Water circulation system Expired / Lapsed 1969-02-19 1971-07-27 12 Details
US3401141A Polyurethane with acetylene black as thixotropic agent Expired / Lapsed 1965-06-14 1968-09-10 0 Details
US2811130A Automatic coating spray unit for flocking machines Expired / Lapsed 1953-06-15 1957-10-29 0 Details
US2400401A Periscopic vision device Expired / Lapsed 1943-04-22 1946-05-14 0 Details
US2381248A Gasket material Expired / Lapsed 1942-09-23 1945-08-07 0 Details
US2326651A Exhalation valve structure for protective masks Expired / Lapsed 1941-09-20 1943-08-10 0 Details
US2304036A Metal insert for molded plastic articles and method of inst… Expired / Lapsed 1939-07-18 1942-12-01 0 Details
US2275591A Molding method and insert for molded articles Expired / Lapsed 1939-04-12 1942-03-10 0 Details
US2266831A Method and apparatus for improving molded thermoplastic art… Expired / Lapsed 1937-05-10 1941-12-23 0 Details
US2266729A Multiple injection nozzle apparatus Expired / Lapsed 1936-10-26 1941-12-23 0 Details
US2217661A Molding and ejecting means for threaded articles Expired / Lapsed 1936-12-30 1940-10-15 0 Details
US2203787A Molding means for making thermoplastic articles Expired / Lapsed 1935-10-31 1940-06-11 0 Details
US2199144A Method of injecting thermoplastic material into a mold Expired / Lapsed 1937-05-03 1940-04-30 0 Details