Patent FR756498A successfully refreshed from Google Patents.
FR756498A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Electric glass melting furnace
Assignee: Osram GmbH
•
Filing: 1933-06-06
•
Granted: 1933-12-11
•
Expires: 1953-06-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 10:55
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/02; C03B5/027; C03B5/0275
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.