FR675049A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Simple device making it possible to record the approach, passage or contact of an object or an animated being and applicable in particular to advertising as well as to protection against theft
Assignee: PILE HYDRA
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Filing: 1929-05-14
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Granted: 1930-02-05
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Expires: 1949-05-14
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 04:54
CPC Classifications
G; G08; G08B; G08B13/00; G08B13/22; G08B13/26
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