Patent US2535442A successfully refreshed from Google Patents.
Patent DE48891C successfully refreshed from Google Patents.
DE48891C
Active / In Force
DE
Device for the preparation of carbonate magnesia hydrate from burnt magnesite (etched magnesia)
Assignee: FIRMA CARL SPÄTER in Koblenz
•
Filing: —
•
Granted: —
•
Expires: —
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-07 20:36
CPC Classifications
C; C01; C01F; C01F5/00; C01F5/24
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.