DE1156694B
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Shaft furnace for burning limestone
Assignee: Union Carbide Corp
•
Filing: 1957-09-05
•
Granted: —
•
Expires: 1977-09-05
Abstract
No abstract record available.
Inventors
- 👤 Hendrik De Wet Erasmus
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 21:36
CPC Classifications
F; F27; F27B; F27B1/00; F27B1/005
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.