FR862559A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Breathing apparatus for the care of suffocated and gas patients and sick lungs
Assignee: Albert Etourneau
•
Filing: 1939-12-26
•
Granted: 1941-03-10
•
Expires: 1959-12-26
Abstract
No abstract record available.
Inventors
- 👤 Albert Etourneau
- 👤 Jean Moison
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 16:56
CPC Classifications
A; A61; A61M; A61M16/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.