FR62653E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to devices such as oxygen inhalers, especially for breathing at high altitude
Assignee: Pierre-Louis-Andre Vergne
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Filing: 1952-03-28
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Granted: 1955-06-16
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Expires: 1972-03-28
Abstract
No abstract record available.
Inventors
- 👤 Pierre-Louis-Andre Vergne
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 12:40
CPC Classifications
A; A62; A62B; A62B9/00; A62B9/02; A62B9/022; A61; A61M; A61M16/00; A61M16/0057; A61M16/0081; A61M16/0075
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