Patent CH230818A successfully refreshed from Google Patents.
CH230818A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Device with a high frequency coil of variable inductance.
Assignee: Patelhold Patentverwertung
•
Filing: 1942-12-17
•
Granted: —
•
Expires: 1962-12-17
Abstract
No abstract record available.
Inventors
- 👤 Patentverwertungs-Elektro-Hold
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-01 20:20
CPC Classifications
H; H03; H03H; H03H5/00; H03H5/006; H01; H01F; H01F21/00; H01F21/005; H03H2/00; H03H2/005; H03H5/003
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.