DE657376C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the electrical purification of gases
Assignee: PATENTVERWERTUNG
•
Filing: 1932-10-04
•
Granted: 1938-03-03
•
Expires: 1952-10-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-24 10:45
CPC Classifications
B; B03; B03C; B03C3/00; B03C3/34; B03C3/66
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.