Patent FR679864A successfully refreshed from Google Patents.
FR679864A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Internal carburization process for internal combustion engines
Assignee: Henri Bergier
•
Filing: 1929-08-03
•
Granted: 1930-04-18
•
Expires: 1949-08-03
Abstract
No abstract record available.
Inventors
- 👤 Henri Bergier
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 21:51
CPC Classifications
F; F02; F02M; F02M69/00; F02B; F02B2720/00; F02B2720/15; F02B2720/152
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.