PATLY.AIApplication
13065772 · Turbulence insert for flat heat exchanger pipes, flat pipe for a heat exchanger having such a turbulence insert, heat exchager having such flat pipes, as well as method and device for the production ofsuch a flat pipe
Filed 2011-03-30 · Abandoned The official file ↗ · Art unit 3744 · Examiner Brian G Blumline · CPC F28D 1/0391 · ARUP ALU-ROHR UND PROFIL GMBH · COLLARD & ROE, P.C.
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first was Restriction requirement
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To first action
33.3 mo
to disposition 45.3 mo
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