CPC B64C2700/6283

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CPC B64C2700/6283 is a patent class for xyz.^[1]^[2]

References

↑ B64C2700/6283 CPC CPC B64C2700/6283 element at Espacenet web site
↑ B64C2700/6283.html#CPC B64C2700/6283{{{2}}} CPC CPC B64C2700/6283{{{2}}} element listed at USPTO

This wiki has 2 patents in category "CPC B64C2700/6283".

Patents in category CPC B64C2700/6283

Patent FR-1912-435971.16649 (English title: Improvements in propellers and in lift surfaces of airplanes, Inventors: Pierre Le Goaziou, Supplementary to patent: Patent FR-1911-435971, Filing date: 1912-10-28)
Patent FR-1916-502520.22245 (English title: Rotary wing aircraft, Inventors: Alexis Beurrier • Édouard-Jean Bigourdan • Louis Lacoin, Supplementary to patent: Patent FR-1915-502520, Filing date: 1916-11-02)

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