FR991462A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Sealing device for refining furnaces
Assignee: Georg Fischer AG
•
Filing: 1949-07-28
•
Granted: 1951-10-05
•
Expires: 1969-07-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-09 04:38
CPC Classifications
F; F23; F23M; F23M5/00; C; C21; C21D; C21D9/00; C21D9/0006; C22; C22B; C22B1/00; C22B1/14; C22B1/16; C22B1/20; F27; F27B; F27B21/00; F27B21/06; F27D; F27D99/00; F27D99/0073; F27D99/0076; F23M2700/00; F23M2700/005
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.