Patent FR514206A successfully refreshed from Google Patents.
FR514206A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to ignition of internal combustion engines
Assignee: ANATOLE ROUSSEL
•
Filing: 1920-04-21
•
Granted: 1921-03-05
•
Expires: 1940-04-21
Abstract
No abstract record available.
Inventors
- 👤 Anatole Roussel
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-24 02:41
CPC Classifications
F; F02; F02P; F02P5/00; F02P5/04; F02P5/05; F02P5/10; F02P5/103
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.