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CHICAGO BY PRODUCTS CORP

CHICAGO BY
Active Patents
0
Total Holdings
4

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2353287A Method of detecting and measuring leakage in gas lines Expired / Lapsed 1940-10-09 1944-07-11 0 Details
US2296969A Liquid responsive system Expired / Lapsed 1938-07-18 1942-09-29 0 Details
US2232501A Safety device for gas burners Expired / Lapsed 1938-02-07 1941-02-18 0 Details
US2227291A Safety system responsive to temperature and fluid flow Expired / Lapsed 1938-05-26 1940-12-31 0 Details