CH218237A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Circuit with an electron tube.
Assignee: Licentia Gmbh
•
Filing: 1941-05-28
•
Granted: —
•
Expires: 1961-05-28
Abstract
No abstract record available.
Inventors
- 👤 Haftung Licentia Beschraenkter
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-23 17:32
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/34; H03F1/36
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.