DE635222C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Method and device for increasing the carbide utilization in the production of calcium cyanamide in insert furnaces
Assignee: E H GUSTAV HILGER DR ING
•
Filing: 1932-10-30
•
Granted: 1936-09-12
•
Expires: 1952-10-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 05:19
CPC Classifications
C; C01; C01C; C01C3/00; C01C3/002
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.