Patent US-1877-187297

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  • Tech classes: CPC F03D1/00: Wind motors with rotation axis substantially parallel to the air flow entering the rotor ; CPC B64C11/346: Blade pitch-changing mechanisms mechanical automatic actuated by the centrifugal force or the aerodynamic drag acting on auxiliary masses or surfaces; CPC Y02E10/72: Wind turbines with rotation axis in wind direction
  • Inventor location: Batavia, Kane county, IL (FIPSloc=17089, imputed by HistPat)
  • The patent agents were also the witnesses: John M. Munday and Edw. S. Evarts

Sources


Year filed 1877
Year granted 1877
Office US
Patent number 187297
Inventors William D. Nichols
Inventor country US
Inventor location
Applicant person William D. Nichols
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Improvement in windmills
English title Improvement in windmills
Tech fields windmills
Filing date 1877-01-22
Full specification filed date
Application number
Grant date 1877-02-13
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? .5
Serial number
Patent agent Munday & Evarts
Assigned to
National tech categories
IPCs
CPCs CPC F03D1/00, CPC B64C11/346, CPC Y02E10/72
Family year 1877
First filing? 1
Cites these patents
Citations from after 1930 0
Application ID 45877358
INPADOC family ID
Number of text pages 2
Number of diagram pages 2
Number of figures 4
Number of claims 3