Patent DE710146C successfully refreshed from Google Patents.
DE710146C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of rolls with a steel core and a hard metal jacket
Assignee: Deutsche Edelstahlwerke AG
•
Filing: 1939-04-04
•
Granted: 1941-09-05
•
Expires: 1959-04-04
Abstract
No abstract record available.
Inventors
- 👤 Dr Phil Nat Richard Kieffer
- 👤 Friedrich Krall
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 15:50
CPC Classifications
B; B21; B21B; B21B27/00; B21B27/02; B21B27/03; B23; B23K; B23K31/00; B23K31/02; B23K31/025
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.