Patent DE741937C successfully refreshed from Google Patents.
DE741937C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of phosphate coatings on metals
Assignee: GEA Group AG
•
Filing: 1941-03-12
•
Granted: 1943-11-20
•
Expires: 1961-03-12
Abstract
No abstract record available.
Inventors
- 👤 Dr-Ing Robert Krause
- 👤 Dr-Ing Ludwig Schuster
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 11:22
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/05; C23C22/06; C23C22/07; C23C22/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.