Patent GB-1917-118683

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Source data error --- title in espacenet has misspelling relative to original document

  • Inventor location: Tudor Works, Park Royal, Willesden, London, N.W. 10
  • Inventor occupation: Manufacturer
  • there were multiple applications, a combined specification, and eventually one grant approval.
  • Dates: application date sept 8 1917 (#12921/17), application date Feb 22, 1918 (#3212/18), complete specification left Mar 8, 1918, granted ("accepted") Sep 9, 1918.

Sources


Year filed 1917
Year granted 1918
Office GB
Patent number 118683
Inventors Howard Crunden Cleaver
Inventor country GB
Applicant person Howard Crunden Cleaver
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Improvements in and relating to Propellers for Aircraft
English title Improvements relating to propellers for aircraft
Tech fields
Filing date 1917-09-08
Full specification filed date
Application number 12921/17
Grant date 1918-09-09
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent J. D. Roots & Co.
Assigned to
National tech categories
IPCs IPC B64C11/20
CPCs CPC B64C11/20
Family year 1917
First filing? 1
Cites these patents
Citations from after 1930
Application ID 21663564
INPADOC family ID 23437620
Number of text pages 6
Number of diagram pages 2
Number of figures 28
Number of claims 9