DE972895C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for the continuous transfer of a finely divided solid material from a room with normal pressure into a room under increased pressure
Assignee: Heinrich Koppers GmbH
•
Filing: 1950-09-27
•
Granted: 1959-10-22
•
Expires: 1970-09-27
Abstract
No abstract record available.
Inventors
- 👤 Joseph Daniels
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 13:40
CPC Classifications
C; C10; C10J; C10J3/00; C10J3/46; C10J3/48; C10J3/50
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.