Patent HU-1917-74317

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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 nearly 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: Arad (This is presently in Romania, though previously in Hungary. Related to this "(XX)" comes up as the inventor's country within the Hungarian data.)
  • Inventor occupation: Locksmith(Lakatos)


Year filed 1917
Year granted 1919
Office HU
Patent number 74317
Inventors István Tóth
Inventor country HU, RO
Applicant person István Tóth
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Gumiból készült légcsavar repülőgépekhez és léghajókhoz
English title Rubber propellers for aeroplanes and airships
Tech fields airplane, airship, propellers, rubber
Filing date 1917/11/14
Full specification filed date
Application number
Grant date 1919/05/15
Granted? Yes
Publication date 1919/06/17
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories HU V/h
IPCs
CPCs
Family year 1917
First filing? Yes
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages 2
Number of diagram pages
Number of figures
Number of claims 2