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1809271
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Information
Patent Grant
1809271
References
Source
Patent Number
1,809,271
Date Filed
Not available
Date Issued
Tuesday, June 9, 1931
93 years ago
CPC
B64C11/001 - Shrouded propellers
B64D35/04 - characterised by the transmission driving a plurality of propellers or rotors
F02K9/00 - Rocket- engine plants
B64D2700/62745 - combined with propellers
Y10S60/915 - Collection of goddard patents
US Classifications
060 - Power plants
244 - Aeronautics and astronautics
417 - Pumps
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