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Parker Appliance Co

Parker App
Active Patents
0
Total Holdings
14

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2625955A Closure cap for tube fittings Expired / Lapsed 1946-03-25 1953-01-20 0 Details
US2548354A Attachment for filling and draining fuel tanks Expired / Lapsed 1947-11-13 1951-04-10 0 Details
US2496510A Tube coupling Expired / Lapsed 1946-06-29 1950-02-07 0 Details
US2466526A Coupling for tubes Expired / Lapsed 1944-04-08 1949-04-05 0 Details
US2438999A Automatic means for clamping and deforming the ends of tubes Expired / Lapsed 1945-02-20 1948-04-06 0 Details
US2438679A Manifold tube coupling Expired / Lapsed 1945-05-15 1948-03-30 0 Details
US2431769A Quick opening check valve assembly Expired / Lapsed 1943-04-30 1947-12-02 0 Details
US2415258A Hydraulic relief valve Expired / Lapsed 1943-02-04 1947-02-04 0 Details
US2412664A Coupling for tubes Expired / Lapsed 1944-05-20 1946-12-17 0 Details
US2383733A Tube structure Expired / Lapsed 1941-03-31 1945-08-28 0 Details
US2351871A Valve assembly Expired / Lapsed 1941-03-31 1944-06-20 0 Details
US2351363A Coupling for tubes Expired / Lapsed 1942-08-20 1944-06-13 0 Details
US2351362A Coupling for tubes Expired / Lapsed 1942-06-08 1944-06-13 0 Details
US2343922A Tube coupling Expired / Lapsed 1943-03-16 1944-03-14 0 Details