DE699682C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Switching device or vacuum switch, the contact closure of which is brought about by an external magnetic switching force
Assignee: Siemens and Halske AG
•
Filing: 1937-03-18
•
Granted: 1940-12-04
•
Expires: 1957-03-18
Abstract
No abstract record available.
Inventors
- 👤 Erich Noethe
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 18:00
CPC Classifications
H; H01; H01H; H01H36/00; H01H33/00; H01H33/60; H01H33/66; H01H51/00; H01H51/28; H01H51/284; H01H1/00; H01H1/12; H01H1/14; H01H1/18; H01H1/64; H01H1/66; H01H2036/0086
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.