DE362811C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Pistons for single-acting internal combustion engines with a cylindrical piston ring body consisting of a metal that conducts heat well and a protective cap in the piston crown that is not very sensitive to high temperatures and whose outer part can expand freely
Assignee: Ehrhardt & Sehmer A G
•
Filing: —
•
Granted: 1922-11-02
•
Expires: 1939-11-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-28 11:15
CPC Classifications
F; F02; F02F; F02F3/00; F02F3/10; F02F3/12; F02F3/14
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.