Patent US-1870-109673

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Propeller, probably for marine not aerial purposes although it does not specify marine.

  • Inventor location: Williamsburg, Kings county, NY (FIPSloc=36047, imputed by HistPat)
  • Patent doc says inventor signed it Oct 1, 1870. We have no other filing date, so we'll use that.
  • Patent attorneys might be Munn Co.; it's signed on the diagrams.

Tech classes:

  • CPC B64C11/00: Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
  • CPC F01D5/06: Rotors for more than one axial stage, e.g. of drum or multiple disc type; Details thereof, e.g. shafts, shaft connections

Sources


Year filed 1870
Year granted 1870
Office US
Patent number 109673
Inventors James Salter
Inventor country US
Applicant person James Salter
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Improvement in propellers
English title Improvement in propellers
Tech fields propellers
Filing date 1870-10-01
Full specification filed date
Application number
Grant date 1870-11-29
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? .5
Serial number
Patent agent
Assigned to
National tech categories USPC 416/194
IPCs
CPCs CPC B64C11/00, CPC F01D5/06
Family year 1870
First filing? 1
Cites these patents
Citations from after 1930
Application ID 45743802
INPADOC family ID
Number of text pages 1
Number of diagram pages 1
Number of figures 2
Number of claims 1