DE962298C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Sealing ring assembly for working pistons of internal combustion engines
Assignee: Kloeckner Humboldt Deutz AG
•
Filing: 1953-02-22
•
Granted: 1957-04-18
•
Expires: 1973-02-22
Abstract
No abstract record available.
Inventors
- 👤 Dipl-Ing Otto Elwert
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-26 08:55
CPC Classifications
F; F16; F16J; F16J9/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2328390A
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.