Patent Explorer

Browse, filter, and analyze 10 patents across global jurisdictions.

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Patent Number Title Assignee Status Filing Date Grant Date Expires Remaining Claims Actions
US4041490A Measurement system calibrated to be insensitive to temperature variation induced changes in internal phase shifts present in the system Cubic Corp Expired / Lapsed 1976-06-25 1977-08-09 1996-06-25 0.0 yrs 10
US3864687A Coaxial horn antenna Cubic Corp Expired / Lapsed 1973-06-18 1975-02-04 1993-06-18 0.0 yrs 2
US3820022A Asymmetrical wave digital phase measuring system Cubic Corp Expired / Lapsed 1972-09-28 1974-06-25 1992-09-28 0.0 yrs 7
US3766555A Computing digital averaging phase meter Cubic Corp Expired / Lapsed 1972-09-28 1973-10-16 1992-09-28 0.0 yrs 13
US3728025A Optical distance measuring equipment Cubic Corp Expired / Lapsed 1971-03-08 1973-04-17 1991-03-08 0.0 yrs 21
US3300780A Electronic surveying system Cubic Corp Expired / Lapsed 1965-01-19 1967-01-24 1985-01-19 0.0 yrs 1
US3223998A Electronic tracking system employing slant range measurements Cubic Corp Expired / Lapsed 1962-04-06 1965-12-14 1982-04-06 0.0 yrs 2
US3148369A Electronic acquisition devices for narrow-beamwidth tracking systems Cubic Corp Expired / Lapsed 1959-04-07 1964-09-08 1979-04-07 0.0 yrs 2
US3111665A Sequenced spatial coordinate determining system Cubic Corp Expired / Lapsed 1958-05-23 1963-11-19 1978-05-23 0.0 yrs 1
US3085242A Electronic tracking system Cubic Corp Expired / Lapsed 1960-05-12 1963-04-09 1980-05-12 0.0 yrs 0