Patent DE731222C successfully refreshed from Google Patents.
DE731222C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of electrolytic Hertchromueberzuegen
Assignee: IG Farbenindustrie AG
•
Filing: 1939-10-07
•
Granted: 1943-02-04
•
Expires: 1959-10-07
Abstract
No abstract record available.
Inventors
- 👤 Dr Helmut Flasch
- 👤 Dr-Ing Hermann Hagenest
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-01 03:33
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/04
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.