Patents

Search tools Text Classification Chemistry Measure Numbers Full documents Title Abstract Claims All Any Exact Not Add AND condition These CPCs and their children These exact CPCs Add AND condition
Exact Exact Batch Similar Substructure Substructure (SMARTS) Full documents Claims only Add AND condition
Add AND condition
Application Numbers Publication Numbers Either Add AND condition

Classifications

F02D39/02 Other non-electrical control for four-stroke engines
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NL43997C

Netherlands


Worldwide applications
1935 CH DE FR 1936 NL GB US

Application NL77299A events
1936-04-06
Application filed
1938-09-15
Application granted