FR672890A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Control of variable capacitors
Assignee: Maurice Veyry
•
Filing: 1929-04-10
•
Granted: 1930-01-08
•
Expires: 1949-04-10
Abstract
No abstract record available.
Inventors
- 👤 Maurice Veyry
- 👤 Rene Halftermeyer
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 08:02
CPC Classifications
H; H03; H03J; H03J1/00; H03J1/06; H03J1/14
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.