DE594367C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for corrugating sub-chambers for water tube boilers
Assignee: Krupp Stahl AG
•
Filing: 1932-10-02
•
Granted: 1934-03-16
•
Expires: 1952-10-02
Abstract
No abstract record available.
Inventors
- 👤 Karl Boehle
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 19:50
CPC Classifications
B; B21; B21D; B21D15/00; B21D15/04
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.