Payview Limited

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4716588 Addressable subscription television system having multiple scrambling modesExpiredOct 29, 85Dec 29, 87[H04N]
4527195 Apparatus for encoding and decoding informationExpiredJun 11, 82Jul 02, 85[H04N, H04K]
4430669 Transmitting and receiving apparatus for permitting the transmission and reception of multi-tier subscription programsExpiredMay 29, 81Feb 07, 84[H04N, H04K]
4396947 Apparatus for encoding of informationExpiredMar 26, 80Aug 02, 83[H04N, H04K]
4329711 Apparatus for encoding of informationExpiredNov 06, 79May 11, 82[H04N]

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