DE569637C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Energy storage device, especially for operating electrical switches
Assignee: Bergmann Elektricitaets Werke AG
•
Filing: 1928-09-02
•
Granted: 1933-02-06
•
Expires: 1948-09-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-06 16:14
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/22; H01H3/26; H01H3/30
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.