Patent FR56161E successfully refreshed from Google Patents.
FR56161E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Automatic valve
Assignee: Raoul Bernat
•
Filing: 1946-02-19
•
Granted: 1952-09-18
•
Expires: 1966-02-19
Abstract
No abstract record available.
Inventors
- 👤 Raoul Bernat
- 👤 Henri Bernat
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 15:54
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/08; F16K31/00; F16K31/02; F16K31/06; F16K31/08
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.