DE842571C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Valve with valve seat made of ceramic compound
Assignee: Robert Bosch GmbH
•
Filing: 1943-12-25
•
Granted: 1952-06-30
•
Expires: 1963-12-25
Abstract
No abstract record available.
Inventors
- 👤 Fritz Gronbach
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-29 12:11
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/42
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.