Patent DE829626C successfully refreshed from Google Patents.
DE829626C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Fluorescent material, in particular for electric fluorescent lamps with low mercury discharge, and process for its production
Assignee: Osram GmbH
•
Filing: 1948-10-06
•
Granted: 1952-01-28
•
Expires: 1968-10-06
Abstract
No abstract record available.
Inventors
- 👤 Dr Magdalene Hueniger
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 16:58
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/08; C09K11/77; C09K11/7715; C09K11/7723; C09K11/7724
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.