DE718347C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Method and device for the fractional distillation of oils, solvents, etc. like
Assignee: CURT ANKERMANN
•
Filing: 1939-05-27
•
Granted: 1942-03-10
•
Expires: 1959-05-27
Abstract
No abstract record available.
Inventors
- 👤 Helmuth Wawretschek
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 14:04
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/08
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.