Patent GB-1911-20872

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By way of filing date, and as reflected in diagrams and other content, this patent makes reference to Patent FR-1910-420958.

This patent was granted, and then made void, due to the sealing fee's not being paid.

Sources


Year filed 1911
Year granted 1912
Office GB
Patent number 20872
Inventors Dane Hurlburt
Inventor country CH
Applicant person Dane Hurlburt
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Improvements in Flying Machines
English title Improvements in Flying Machines
Tech fields
Filing date 1911/09/21
Full specification filed date
Application number 191120872D
Grant date 1912/02/29
Granted? No
Publication date
Supplementary to patent Patent FR-1910-420958
Related to aircraft? Yes
Serial number
Patent agent Brewer & Son
Assigned to
National tech categories
IPCs IPC B64C3/38
CPCs CPC B64C3/385
Family year 1911
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 23622033
INPADOC family ID 11111919
Number of text pages 4
Number of diagram pages 2
Number of figures 4
Number of claims 7