Patent AT138302B successfully refreshed from Google Patents.
AT138302B
Expired / Lapsed
AT
⏱️ 0.0 years remaining
Reverse gear for scavenging fans on reversible internal combustion engines.
Assignee: Motorenfabrik Darmstadt Ag
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Filing: 1933-03-13
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Granted: 1934-07-25
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Expires: 1953-03-13
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Bibliographic Details
Application Number
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Jurisdiction
AT
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google_patents
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2026-11-08 21:25
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