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Barrett Co Inc

Barrett Co
Active Patents
0
Total Holdings
15

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2249412A Coating composition and the method of preparing the same Expired / Lapsed 1938-04-16 1941-07-15 0 Details
US2228102A Protection of surfaces Expired / Lapsed 1938-04-16 1941-01-07 0 Details
US2224992A Resin-impregnated sheet material and process for producing … Expired / Lapsed 1935-06-26 1940-12-17 0 Details
US2212122A Roofing Expired / Lapsed 1937-12-30 1940-08-20 0 Details
US2131097A Impregnated felt Expired / Lapsed 1935-11-16 1938-09-27 0 Details
US2047772A Process of protecting underground metallic surfaces Expired / Lapsed 1935-01-21 1936-07-14 0 Details
US2024602A Protection of pipe joints Expired / Lapsed 1933-04-22 1935-12-17 0 Details
US2011607A Colored calking cement Expired / Lapsed 1932-01-21 1935-08-20 0 Details
US1752920A Electrical precipitator Expired / Lapsed 1927-02-10 1930-04-01 0 Details
US1751591A Valve Expired / Lapsed 1926-03-15 1930-03-25 0 Details
US1670593A Mixing machine and process Expired / Lapsed 1923-12-03 1928-05-22 0 Details
US1511475A Construction material Expired / Lapsed 1918-12-17 1924-10-14 0 Details
US1489744A Resin and process of producing the same Expired / Lapsed 1921-09-24 1924-04-08 0 Details
US1418885A Process of fractional condensation Expired / Lapsed 1919-06-21 1922-06-06 0 Details
US1327354A Molded forms of bitumen Expired / Lapsed 1916-04-14 1920-01-06 0 Details