FR515369A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Automatic intake heavy oil burner
Assignee: Individual
•
Filing: 1920-05-08
•
Granted: 1921-03-31
•
Expires: 1940-05-08
Abstract
No abstract record available.
Inventors
- 👤 Paul Bonnet
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 23:11
CPC Classifications
F; F23; F23N; F23N1/00; F23N2239/00; F23N2239/06
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.