Patent FR-1918-496836.21037

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This is an addition to Patent FR-1918-496836, which this addition alleges was filed 1918-10-10. This original document of Patent FR-1918-496836 gives 1918-09-10 as a filing date.

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Patent family descending from Patent FR-1918-496836.21037


Year filed 1918
Year granted 1919
Office FR
Patent number 21037
Inventors Dane Hurlburt
Inventor country FR
Applicant person Dane Hurlburt
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Parachute
English title Parachute
Tech fields Parachutes, safety, subsystem
Filing date 1918/10/11
Full specification filed date
Application number
Grant date 1919/11/26
Granted? Yes
Publication date 1920/02/19
Supplementary to patent Patent FR-1918-496836
Related to aircraft? 1
Serial number
Patent agent Brandon frères
Assigned to
National tech categories FR 6.4
IPCs IPC B64D17/00
CPCs CPC B64D17/00
Family year 1918
First filing? No
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages 2
Number of diagram pages 1
Number of figures 4
Number of claims 2