Patent DE875252C successfully refreshed from Google Patents.
DE875252C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Stone cladding for the cooling pipes of the firebox walls
Assignee: Hitachi Zosen Inova Steinmueller GmbH
•
Filing: 1941-02-13
•
Granted: 1953-04-30
•
Expires: 1961-02-13
Abstract
No abstract record available.
Inventors
- 👤 Friedrich Vom Hofe
- 👤 Eduard Dipl-Ing Weissgerber
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-06 19:53
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/10; F22B37/107; F22B37/108
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.