Difference between revisions of "Patent FR-1912-443491"

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* [[Aero-Manuel 1914]]
* [[Aero-Manuel 1914]]
* [http://espacenet.com/searchResults?query=fr443491a]
* [http://espacenet.com/searchResults?query=fr443491a]
* [http://worldwide.espacenet.com/publicationDetails/biblio?FT=D&CC=FR&NR=443491 espacenet]
* {{esp|FR|443491 espacenet]
* Inventor location:
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Latest revision as of 23:14, November 10, 2019

Year filed 1912
Year granted 1912
Office FR
Patent number 443491
Inventors Carl Herdler
Inventor country DE
Applicant person
Applicant firm
Applicant type
Applicant is inventor? 1
Original title dispositif de sécurité pour aéroplanes
English title security apparatus for aeroplanes
Tech fields security, safety
Filing date 1912-05-07
Full specification filed date
Application number FR443491  (A)
Grant date 1912-09-25
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories FR 6.4
IPCs IPC B64D17/00
CPCs CPC B64D2700/62508
Family year
First filing? 1912
Number of citations
Cited by
Application ID
Number of text pages
Number of diagram pages
Number of figures
Number of claims