Patent DE673707C successfully refreshed from Google Patents.
DE673707C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Silencer for internal combustion engines with several chambers
Assignee: Individual
•
Filing: 1937-02-05
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Granted: 1939-03-27
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Expires: 1957-02-05
Abstract
No abstract record available.
Inventors
- 👤 Rudolf Wieth
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 18:05
CPC Classifications
F; F01; F01N; F01N1/00; F01N1/003; F01N1/08; F01N3/00; F01N3/02; F01N3/021; F01N3/033; F01N3/0335; F01N2230/00; F01N2230/02; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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