FR566345A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method and apparatus for producing medicinal vapors by means of heated air and for making, inhaling these vapors dissolved in or mixed with the heated inhalation air
Assignee: Christoffer Engelbreth
•
Filing: 1923-05-17
•
Granted: 1924-02-13
•
Expires: 1943-05-17
Abstract
No abstract record available.
Inventors
- 👤 Christoffer Engelbreth
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 18:17
CPC Classifications
A; A61; A61M; A61M11/00; A61M11/04; A61M11/041; A61M11/042
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.