Patent Explorer

Browse, filter, and analyze 2 patents across global jurisdictions.

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Patent Number Title Assignee Status Filing Date Grant Date Expires Remaining Claims Actions
US2801161A Process for operating a bessemer converter Bethlehem Steel Corp Expired / Lapsed 1956-04-30 1957-07-30 1976-04-30 0.0 yrs 2
US2123355A Measurement of eccentricity of hollow shafting Bethlehem Steel Corp Expired / Lapsed 1936-04-15 1938-07-12 1956-04-15 0.0 yrs 0