FR649850A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvement in evaporator and humidifier devices
Assignee: Philippe Cassiers
•
Filing: 1927-07-23
•
Granted: 1928-12-28
•
Expires: 1947-07-23
Abstract
No abstract record available.
Inventors
- 👤 Philippe Cassiers
- 👤 Hugues Goudet
- 👤 Albert Maugin
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 09:55
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02; F24F6/04
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.