Patent CH278643A successfully refreshed from Google Patents.
CH278643A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Device for shutting down magnetic sound devices in the event of a power failure.
Assignee: Schaub Apparatebauges M B H G
•
Filing: 1949-12-22
•
Granted: —
•
Expires: 1969-12-22
Abstract
No abstract record available.
Inventors
- 👤 Schaub Apparatebauges M B H G
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-07 10:31
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/02; G11B15/16
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.