Patent FR631928A successfully refreshed from Google Patents.
FR631928A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Electromagnetic valve actuator
Assignee: Jean-Louis-Marie Massoutier
•
Filing: 1927-04-01
•
Granted: 1927-12-29
•
Expires: 1947-04-01
Abstract
No abstract record available.
Inventors
- 👤 Jean-Louis-Marie Massoutier
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 06:06
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0644; F16K31/0655
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.