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AC Gilbert Co

AC Gilbert
Active Patents
0
Total Holdings
18

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2882834A Toy locomotive sound effects Expired / Lapsed 1956-05-03 1959-04-21 0 Details
US2826996A Vibrator operated load and signal system Expired / Lapsed 1953-06-16 1958-03-18 0 Details
US2792409A Vibratory impulsed circuits with booster Expired / Lapsed 1954-01-25 1957-05-14 0 Details
US2791972A Vibrator excited loud speaker for toys Expired / Lapsed 1951-10-15 1957-05-14 0 Details
US2716269A Method of bushing frangible bodies to make fractureproof Expired / Lapsed 1950-07-28 1955-08-30 0 Details
US2709035A Air streaming fan Expired / Lapsed 1950-11-13 1955-05-24 0 Details
US2628998A Splittable cable with visible conductors Expired / Lapsed 1945-11-08 1953-02-17 0 Details
US2541047A Fractureproofed frangible body and production thereof Expired / Lapsed 1945-08-21 1951-02-13 0 Details
US2442122A Constructional toy building elements Expired / Lapsed 1945-09-20 1948-05-25 0 Details
US2426326A Coupling pin for toy parts Expired / Lapsed 1945-01-26 1947-08-26 0 Details
US2370652A Fan impeller Expired / Lapsed 1941-07-30 1945-03-06 0 Details
US2292566A Electric motor Expired / Lapsed 1941-03-19 1942-08-11 0 Details
US2292565A Whistle-actuating and control means for toy trains Expired / Lapsed 1940-05-06 1942-08-11 0 Details
US2112247A Constructional toy and elements thereof Expired / Lapsed 1936-11-04 1938-03-29 0 Details
US2030193A Bearing structure Expired / Lapsed 1932-11-02 1936-02-11 0 Details
US2003830A Heating pad Expired / Lapsed 1931-11-28 1935-06-04 0 Details
US1996722A Constructional toy Expired / Lapsed 1934-04-17 1935-04-02 0 Details
US1407776A Manufacture of commutator for electric motors Expired / Lapsed 1919-12-01 1922-02-28 0 Details