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DE1024593B Expired / Lapsed DE ⏱️ 0.0 years remaining

Transportable amplifier device with built-in loudspeaker and sound channel

Assignee: Individual
•
Filing: 1955-01-15
•
Granted: —
•
Expires: 1975-01-15
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Abstract

No abstract record available.

Inventors

  • 👤 Werner Pinternagel

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-01 23:11
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/02; H04R1/021

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

FR709411A Cited
GB513940A Cited
US2550336A Cited
CH263703A Cited

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