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DE491850C Expired / Lapsed DE ⏱️ 0.0 years remaining

Alarm clock with variable tone strength

Assignee: JOSEF REILE DR
•
Filing: 1927-10-30
•
Granted: 1930-02-25
•
Expires: 1947-10-30
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-05 22:17
CPC Classifications
G; G04; G04B; G04B23/00; G04B23/02; G04B23/10

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