FR977172A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Development of portable, self-contained breathing apparatus with closed-circuit regeneration of air
Assignee: Roger-Alphonse Leconte
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Filing: 1948-10-28
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Granted: 1951-03-28
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Expires: 1968-10-28
Abstract
No abstract record available.
Inventors
- 👤 Roger-Alphonse Leconte
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 16:41
CPC Classifications
A; A62; A62B; A62B7/00; A62B7/08
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References Cited (Backward Citations)
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