DE24669C
Active / In Force
DE
Manufacture of paper stock with simultaneous extraction of strontium oxide from Coelest'm
Assignee: Dr. E. MEYER in Berlin NW., Brücken-Allee 39
•
Filing: —
•
Granted: —
•
Expires: —
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 20:49
CPC Classifications
D; D21; D21C; D21C3/00; D21C3/006
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.