FR840359A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method and apparatus for sterilization, purification and deodorization of air in confined spaces
Assignee: Gallois & Cie
•
Filing: 1937-12-30
•
Granted: 1939-04-25
•
Expires: 1957-12-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 19:25
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/02; A61L2/08; A61L2/10; F; F24; F24F; F24F8/00; F24F8/20; F24F8/22; F24F8/24; F24F8/26
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.