Patent AT-1912-52940

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  • Terms used on the patent: Filed (Angemeldet) on 31 Marz 1909 ; Prioritat vom 1907; to D. R. P. Nr. 237734; Beginn der Patentdauer: 1 Dezember 1911> It's not clear why the patent term would begin in 1911 not at the time of priority or filing or grant; we may find examples that make that clear.
  • Inventor location: Neutitschein (Mähren)


Year filed 1909
Year granted 1912
Office AT
Patent number 52940
Inventors Hugo Hueckel
Inventor country AT
Applicant person Hugo Hueckel
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Steuervorrichtung für Wendeflächen
English title Control device for turning surfaces
Tech fields control, turning, navigation
Filing date March 31, 1909
Full specification filed date
Application number 52940D
Grant date April 10, 1912
Granted? Yes
Publication date
Supplementary to patent Patent DE-1907-237734
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories AT 77d
Family year 1907
First filing? No
Number of citations 0
Cited by
Application ID 730505
INPADOC family ID 476753
Number of text pages 2
Number of diagram pages 1
Number of figures 13
Number of claims 1