FR45504E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method and devices for establishing a breathable atmosphere in a sealed enclosure or not
Assignee: George Francois Jaubert
•
Filing: 1934-03-26
•
Granted: 1935-09-12
•
Expires: 1954-03-26
Abstract
No abstract record available.
Inventors
- 👤 George Francois Jaubert
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 14:17
CPC Classifications
B; B01; B01D; B01D46/00
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.