FR1025313A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements made to silencers for marine engines, in particular those for hydrofoil engines
Assignee: Rene-Alexandre-Arthu Couzinet
•
Filing: 1950-09-29
•
Granted: 1953-04-14
•
Expires: 1970-09-29
Abstract
No abstract record available.
Inventors
- 👤 Rene-Alexandre-Arthu Couzinet
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 00:36
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/02; F01N3/04; F01N1/00; 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.