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Antenna feed system simultaneously operable at two frequencies utilizing polarization independent frequency selective intermediate reflector

US 3,231,892 A · Inventors: MATSON JOHN L et al.

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Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.

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  • Granted January 25, 1966. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by January 25, 1983.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJune 26, 1962
GrantedJanuary 25, 1966
Term endedJanuary 25, 1983
Application number—
Classification (CPC)H01Q15/0013
Length7 pages

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1963196619691972197519781981Application filedJune 26, 1962Patent grantedJan 25, 1966Term endedJan 25, 1983

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Full published documentText and every drawing sheet as a PDF.USPTOFile historyStatus, office actions, notices, fee records and petitions.USPTO Patent CenterPatent Public Search recordSearchable full text and bibliographic data.USPTO

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