DE740922C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Arrangement for operating a water-cooled high-pressure mercury discharge lamp
Assignee: Osram GmbH
•
Filing: 1939-03-21
•
Granted: 1943-10-30
•
Expires: 1959-03-21
Abstract
No abstract record available.
Inventors
- 👤 Dipl-Ing Joseph Dellian
- 👤 Dr Josef Kern
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-31 09:04
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/02; H01J61/52
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.