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American Flange and Manufacturing Co Inc

American F
Active Patents
0
Total Holdings
16

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
AU204166A Method and apparatus for lining container closures Expired / Lapsed 1966-02-23 — 0 Details
US3800401A Method of making container closure construction Expired / Lapsed 1971-04-05 1974-04-02 11 Details
US3131827A Snap-on container closure and combinations Expired / Lapsed 1962-10-03 1964-05-05 2 Details
US3101878A Closure assembly for containers and parts thereof Expired / Lapsed 1961-02-28 1963-08-27 1 Details
US3084826A Closures and methods for forming the same Expired / Lapsed 1959-09-15 1963-04-09 0 Details
US2907489A Disposable vent plug Expired / Lapsed 1956-10-17 1959-10-06 0 Details
US2718979A Closure plugs and methods for forming the same Expired / Lapsed 1950-08-16 1955-09-27 0 Details
US2492176A Method of making closure plugs Expired / Lapsed 1944-05-05 1949-12-27 0 Details
US2325929A Die mechanism and method Expired / Lapsed 1939-06-28 1943-08-03 0 Details
US2291706A Threaded sheet metal bung opening Expired / Lapsed 1939-06-09 1942-08-04 0 Details
US2241793A Bung or discharge hole formation in a sheet metal container… Expired / Lapsed 1936-07-23 1941-05-13 0 Details
US2239128A Portable insulated container Expired / Lapsed 1935-06-20 1941-04-22 0 Details
US2172229A Insulation demonstrating device Expired / Lapsed 1937-06-01 1939-09-05 0 Details
US2160598A Method of mounting a sput in a metal container Expired / Lapsed 1937-02-09 1939-05-30 0 Details
US1999205A Closure plug and method of forming same Expired / Lapsed 1932-05-13 1935-04-30 0 Details
US1949979A Container and sealing means therefor Expired / Lapsed 1931-08-10 1934-03-06 0 Details