FR833309A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method and apparatus for forming colored clouds and smoke
Assignee: Celestin Leon Herbline
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Filing: 1938-02-05
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Granted: 1938-10-19
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Expires: 1958-02-05
Abstract
No abstract record available.
Inventors
- 👤 Celestin Leon Herbline
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 09:57
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/36; F42B12/46; F42B12/50
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