Patent CA973634A successfully refreshed from Google Patents.
CA973634A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Selective coding system for subscription television
Assignee: Oak Industries Inc
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Filing: 1973-06-29
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Granted: 1975-08-26
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Expires: 1993-06-29
Abstract
No abstract record available.
Inventors
- 👤 Ralph P. Harney
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-10-25 12:24
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/16; H04N7/162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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