FR676743A
Expired / Lapsed
FR
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Device for adjusting the duration of a given time without a clock mechanism
Assignee: Hugo Hajek
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Filing: 1929-06-15
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Granted: 1930-02-26
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Expires: 1949-06-15
Abstract
No abstract record available.
Inventors
- 👤 Hugo Hajek
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 13:25
CPC Classifications
F; F42; F42C; F42C15/00; F42C15/28; F42C15/285
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