Patent DE493339C successfully refreshed from Google Patents.
DE493339C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Resilient, iron pit die, the lower part of which consists of two U-irons placed opposite each other at a certain distance
Assignee: EWALD LEVERINGHAUS
•
Filing: 1927-03-20
•
Granted: 1930-03-06
•
Expires: 1947-03-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 15:10
CPC Classifications
E; E21; E21D; E21D15/00; E21D15/14; E21D15/28; E21D15/38
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.