Patent HU-1917-80687

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This is an addition to Patent HU-1917-76911. It also makes reference to non-Hungarian priority date 1917-02-16. This may be a German priority date.

Seemingly, this Hungarian addition, and its Hungarian patent, were filed on the same day. Each of the patents has its analogous non-Hungarian equivalent, as reflected in the different priority dates. The non-Hungarian patents were filed slightly more than four months apart. The later of the non-Hungarian filings may or may not have been considered a per se addition.

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: Berlin-Wilmersdorf, Germany
  • Inventor occupation: Engineer


Year filed 1917
Year granted 1922
Office HU
Patent number 80687
Inventors Oscar Gerhardt
Inventor country DE
Applicant person Oscar Gerhardt
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Készülék valamely pont földfeletti magasságának fényszóró és a visszavert sugarak megfigyelésére szolgáló optikai műszer útján való megállapításárta
English title Apparatus for determining the altitude of a point by means of a headlamp and an optical instrument for the observation of reflected rays
Tech fields Instrument, Illumination, Altitude, Altimeter
Filing date 1917/07/10
Full specification filed date
Application number
Grant date 1922/09/15
Granted? Yes
Publication date 1923/02/28
Supplementary to patent Patent DE-1917-02-16 Oscar Gerhardt, Patent HU-1917-76911
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories HU V/h
IPCs
CPCs
Family year 1917
First filing? No
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 3
Number of claims 2