DE640228C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Back pressure drive device with check inlet valve
Assignee: Individual
•
Filing: 1933-04-11
•
Granted: 1936-12-28
•
Expires: 1953-04-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 16:20
CPC Classifications
F; F02; F02K; F02K7/00; F02K7/02; F02K7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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