Patent FR-1917-493411.22317

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This is the first addition to Patent FR-1916-493411, which was filed 1916-06-13. Reference is also made to this addition constituting improvements to a Patent FR-1916-84082, which was filed 1916-06-13. This latter number comports neither with the ordinary run of brevet numbers filed that year nor the ordinary run of certificates of addition. We will be looking into this, and into the firm Alphonse Tellier et Cie more generally.


Year filed 1917
Year granted 1921
Office FR
Patent number 22317
Inventor country FR
Applicant person
Applicant firm Alphonse Tellier et Cie
Applicant type COMPANY
Applicant is inventor? No
Original title Perfectionnements aux hydroaéroplanes
English title Improvements to hydroplanes
Tech fields Hydroplane, Design, Fuselage
Filing date 1917/06/02
Full specification filed date
Application number
Grant date 1921/01/06
Granted? Yes
Publication date 1921/06/30
Supplementary to patent Patent FR-1916-493411, Patent FR-1916-84082
Related to aircraft?
Serial number
Patent agent M. Zerolo
Assigned to
National tech categories FR 6.4
IPCs IPC B64D7/02
CPCs CPC B64D7/02
Family year 1916
First filing? No
Cites these patents
Citations from after 1930
Application ID
Number of text pages 2
Number of diagram pages 1
Number of figures 4
Number of claims 1