DE557639C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Connection for pipes in which the grooves provided at the ends of the pipes are pressed against an intermediate sealing body
Assignee: Krupp Stahl AG
•
Filing: 1930-10-07
•
Granted: 1932-08-26
•
Expires: 1950-10-07
Abstract
No abstract record available.
Inventors
- 👤 Kurt Heynen
- 👤 Peter Wolf
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 04:21
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/02
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.