Warner Amex Cable Communications Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4502609 Sliding and pivoted closure for a lock boxExpiredMar 15, 84Mar 05, 85[B65D]
4361730 Security terminal for use with two-way interactive cable systemExpiredAug 29, 80Nov 30, 82[H04M]

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