Patent Explorer

Browse, filter, and analyze 7 patents across global jurisdictions.

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Patent Number Title Assignee Status Filing Date Grant Date Expires Remaining Claims Actions
GB441057A Improvements in or relating to electro-cardiographic apparatus AC Cossor Ltd Expired / Lapsed 1934-04-12 — 1954-04-12 0.0 yrs 0
GB556046A Improvements relating to electron guns such as are used in cathode ray tubes AC Cossor Ltd Expired / Lapsed 1942-03-14 — 1962-03-14 0.0 yrs 0
US2622240A Radar apparatus AC Cossor Ltd Expired / Lapsed 1949-10-03 1952-12-16 1969-10-03 0.0 yrs 0
US2472766A Cathode-ray tube AC Cossor Ltd Expired / Lapsed 1945-12-21 1949-06-07 1965-12-21 0.0 yrs 0
US2440200A Rectifying network for measuring alternating currents AC Cossor Ltd Expired / Lapsed 1945-03-14 1948-04-20 1965-03-14 0.0 yrs 0
US2412485A Saw-tooth voltage generator AC Cossor Ltd Expired / Lapsed 1943-02-05 1946-12-10 1963-02-05 0.0 yrs 0
US2402359A Electrical apparatus AC Cossor Ltd Expired / Lapsed 1943-09-28 1946-06-18 1963-09-28 0.0 yrs 0