FR60011E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Electronic piezo-relay
Assignee: Georges Dion
•
Filing: 1949-03-31
•
Granted: 1954-09-22
•
Expires: 1969-03-31
Abstract
No abstract record available.
Inventors
- 👤 Georges Dion
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-09 18:11
CPC Classifications
H; H01; H01J; H01J21/00; H01J21/02; H01J21/06; H01J21/08
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.