Patent HU-1909-50774

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Sources

  • “Publication/disclosure” will be treated as “date granted”, for now. The “Megjelent (year). évi (month) hó (day)-én (or án)”, that is “Released (month) (day), (year)”, given on the original, is seemingly always later, and we do not know which legally constitutes the patent’s being “granted”. Fortunately, filing date data is clean and simple and consistent between the data page and the original.
  • the Szellemi Tulajdon Nemzeti Hivatala database in anglophone setting, choosing the Patent option, among the Advanced search on the left of the page, and using patent classification “V/h” as the keyword
  • Original .pdf drawn from Szellemi Tulajdon Nemzeti Hivatala database
  • (Virtual or direct analogue access to Szabadalmi Kőzlőny will facilitate the gathering of other data.)
  • Inventor location: Zagreb, Hungary
  • Inventor occupation: Chemist (Vegyész)

Patent family descending from Patent HU-1909-50774

  • Patent HU-1909-50774 (English title: "Dragon-system aircraft", Biplane with an emphasis on rudder specifics in the interests of steering and stability, National tech categories: HU V/h)
  • Patent FR-1910-415407 (English title: Biplane with an emphasis on rudder specifics in the interests of steering and stability, Supplementary to patent: Patent HU-1909-50774, National tech categories: FR 6.4)


Year filed 1909
Year granted 1910
Office HU
Patent number 50774
Inventors Eduard Penkala
Inventor country HU
Applicant person Eduard Penkala
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Sárkányrendszerű repülőgép
English title "Dragon-system aircraft", Biplane with an emphasis on rudder specifics in the interests of steering and stability
Tech fields airplane, biplane, rudder, stability, steering, control
Filing date 1909-12-10
Full specification filed date
Application number 50774
Grant date 1910-12-15
Granted?
Publication date 1911-01-11
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories HU V/h
IPCs
CPCs
Family year 1909
First filing? 1
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 8
Number of claims 2