Patent GB-1913-9028

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The original patent specification does not seem to be available at espacenet.


Year filed 1913
Year granted 1913
Office GB
Patent number 9028
Inventors Everard Richard Calthrop
Inventor country
Applicant person Everard Richard Calthrop‎‎
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Improvements in and relating to Parachutes
English title Improvements in and relating to Parachutes
Tech fields parachutes
Filing date
Full specification filed date
Application number
Grant date
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? -1
Serial number
Patent agent
Assigned to
National tech categories
IPCs IPC B64D17/72
CPCs CPC B64D17/72
Family year 1913
First filing? 1
Cites these patents
Citations from after 1930
Application ID
Number of text pages
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Number of claims