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Prosperity Co Inc

Prosperity
Active Patents
0
Total Holdings
13

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2570148A Water level and temperature control system for washing mach… Expired / Lapsed 1950-03-31 1951-10-02 0 Details
US2397091A Drying machine Expired / Lapsed 1942-05-05 1946-03-26 0 Details
US2395780A Capacity controlled textile press Expired / Lapsed 1939-09-28 1946-02-26 0 Details
US2333000A Explosion prevention control for dry-cleaning machines Expired / Lapsed 1942-05-20 1943-10-26 0 Details
US2321171A Two-hand control Expired / Lapsed 1942-01-19 1943-06-08 0 Details
US2302923A Water level control for washing machines and the like Expired / Lapsed 1940-03-19 1942-11-24 0 Details
US2301803A Method and apparatus for recovering liquid Expired / Lapsed 1939-08-19 1942-11-10 0 Details
US2292846A Electronic timer Expired / Lapsed 1939-09-28 1942-08-11 0 Details
US2111037A Laundry machine Expired / Lapsed 1935-06-27 1938-03-15 0 Details
US2056833A Automatic drive and washer Expired / Lapsed 1935-10-12 1936-10-06 0 Details
US2055031A Timer with interchangeable formula for controlling machines… Expired / Lapsed 1930-11-07 1936-09-22 0 Details
US1999439A Liquid or water level control Expired / Lapsed 1932-02-10 1935-04-30 0 Details
US1885235A Follow-up actuating mechanism for pressing machines Expired / Lapsed 1929-07-03 1932-11-01 0 Details