DE527965C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Electrodynamic sound device with cylindrical plunger coil
Assignee: Electrical Research Products Inc
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Filing: 1927-06-11
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Granted: 1931-06-24
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Expires: 1947-06-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 07:01
CPC Classifications
H; H04; H04R; H04R9/00; H04R9/06; H04R9/02; H04R9/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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