FR1168620A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device intended to ensure the maintenance of an organ, applicable in particular to telephone sets
Assignee: Compagnie Industrielle des Telephones SA
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Filing: 1957-02-19
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Granted: 1958-12-11
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Expires: 1977-02-19
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-09 19:59
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/02; H04M1/04; H04M1/06; H04M1/10
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