FR925218A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to telephone handsets
Assignee: International Standard Electric Corp
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Filing: 1946-04-04
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Granted: 1947-08-28
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Expires: 1966-04-04
Abstract
No abstract record available.
Inventors
- 👤 Gerald Deakin
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 23:46
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/02; H04M1/04; H04M1/06; H04M1/08
Claims Analysis
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References Cited (Backward Citations)
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