Patent FR-1912-450893

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Shock-absorbing seat for aviators.

This appears to be a more sophisticated version of Patent FR-1912-450519. A colleague has singled out Patent FR-1912-450519.18533 more, submitted a month previously, and followed by similar and more detailed Patent US-1913-1104429.


Year filed 1912
Year granted 1913
Office FR
Patent number 450893
Inventors Nazaire Lacrotte
Inventor country FR
Applicant person Nazaire Lacrotte
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Amortisseur élévateur du siège du pilote destiné aux aviateurs en cas de chute, d'atterrissage brusque ou de capotage
English title Lifting shock absorber for the pilot's seat, meant for aviators in case of fall, abrupt landing, or capsizing
Tech fields safety, piloting, passenger, landing
Filing date 1912-11-20
Full specification filed date
Application number
Grant date 1913-01-29
Granted? 1
Publication date 1913-04-05
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories FR 6.4
IPCs IPC B64D25/04
CPCs CPC B64D25/04
Family year 1912
First filing?
Cites these patents
Citations from after 1930
Application ID
Number of text pages 3
Number of diagram pages 2
Number of figures 2
Number of claims 6