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FR1179999A Expired / Lapsed FR ⏱️ 0.0 years remaining

Electro-optical circuit

Assignee: International Business Machines Corp
•
Filing: 1957-01-11
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Granted: 1959-05-29
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Expires: 1977-01-11
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-23 13:15
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/78; H03K3/00; H03K3/02; H03K3/42

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