FR708992A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for the use of exhaust gases from internal combustion engines
Assignee: Armando Levi Cases
•
Filing: 1930-01-29
•
Granted: 1931-08-01
•
Expires: 1950-01-29
Abstract
No abstract record available.
Inventors
- 👤 Armando Levi Cases
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 10:14
CPC Classifications
F; F01; F01N; F01N5/00; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
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.