DE649915C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Workpiece holder that can be rotated and pushed forward in paragraphs on die hammers for pulling in or closing pipes or the like.
Assignee: DEUTSCHE ROEHRENWERKE AG
•
Filing: 1935-12-15
•
Granted: 1937-09-11
•
Expires: 1955-12-15
Abstract
No abstract record available.
Inventors
- 👤 Wenzel Feller
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 18:27
CPC Classifications
B; B21; B21J; B21J13/00; B21J13/08; B21J13/10
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.