FR951885A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to tubular membranes used as servomotors
Assignee: SOC FR REGULATEURS ARCA
•
Filing: 1947-08-01
•
Granted: 1949-11-04
•
Expires: 1967-08-01
Abstract
No abstract record available.
Inventors
- 👤 Paul Desmaroux
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 14:04
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/08; F15B15/10; F15B15/103
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.