FR981271A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Loudspeaker telephone set with microphone mounted on an extendable and swiveling stand
Assignee: Guy-Lucien-Gaston Lambert
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Filing: 1943-03-27
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Granted: 1951-05-24
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Expires: 1963-03-27
Abstract
No abstract record available.
Inventors
- 👤 Guy-Lucien-Gaston Lambert
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 21:42
CPC Classifications
H; H04; H04M; H04M9/00; H04M9/001
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