Patent GB-1915-7686

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  • Inventor location and occ: 13 Timber Bush, Leith, County of Mid Lothian, North Britain; Merchant
  • Inventor signed the day before the provisional (first) filing was recognized at the patent office.
  • The inventor switched patent agencies between provisional and complete filings; that's unusual.

Patent family descending from Patent GB-1915-7686

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Year filed 1915
Year granted 1916
Office GB
Patent number 7686
Inventors Charles Alexander Christianson
Inventor country GB
Inventor location County of Mid Lothian, North Britain
Applicant person Charles Alexander Christianson
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Improvements in or relating to Aeroplanes and like Aircraft
English title Improvements in or relating to Aeroplanes and like Aircraft
Tech fields balloons, LTA
Filing date 1915-05-22
Full specification filed date 1915-11-22
Application number 191507686D
Grant date 1916-04-13
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent Geo. Patterson, Hughes & Young
Assigned to
National tech categories
IPCs IPC B64C1/00, IPC B64C17/06
CPCs CPC B64C2700/6225, CPC B64C17/06
Family year 1915
First filing? 1
Cites these patents
Citations from after 1930
Application ID 23679560
INPADOC family ID 11161356
Number of text pages 3
Number of diagram pages 1
Number of figures 1
Number of claims 3