FR512798A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device for electric water heating by coil
Assignee: GUILLAUME PERENNES
•
Filing: 1920-03-16
•
Granted: 1921-01-31
•
Expires: 1940-03-16
Abstract
No abstract record available.
Inventors
- 👤 Vercingetorix Lapierre
- 👤 Guillaume Perennes
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 22:27
CPC Classifications
F; F24; F24H; F24H1/00; F24H1/10; F24H1/12; F24H1/14; F24H1/16; F24H1/162
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.