FR73899E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Speaker device
Assignee: APPLIC TECH ET IND SOC D
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Filing: 1958-07-30
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Granted: 1960-09-12
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Expires: 1978-07-30
Abstract
No abstract record available.
Inventors
- 👤 Marcel-Alphonse Dodinet
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 11:41
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/20; H04R1/22; H04R1/227; H04R1/28; H04R1/2869; H04R1/2892; H04R1/2896; H04R3/00; H04R3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
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