Patent FR1512401A successfully refreshed from Google Patents.
Patent DE873641C successfully refreshed from Google Patents.
DE873641C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Stopcock for filling and discharge devices of pressurized rooms
Assignee: Heinrich Koppers GmbH
•
Filing: 1951-01-10
•
Granted: 1953-04-16
•
Expires: 1971-01-10
Abstract
No abstract record available.
Inventors
- 👤 Joseph Daniels
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-30 10:38
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/08; F16K5/14; F16K5/20; F16K5/205
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.