Concessão da patente
#16.1
11/27/1984
RPI 736
The letters patent expired on 03/19/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 11/27/1984. We update with every new RPI gazette, published weekly.
Applicants
N. C. (pessoa física)
JP
Inventors
H. I. (pessoa física)
M. T. (pessoa física)
T. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/27/1984
RPI 736
#13.1
09/04/1984
RPI 724
#9.1
05/08/1984
RPI 707
#6.1
11/08/1983
RPI 681
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: B05B 7/08; B05B 15/04; B05C 11/06; C21D 1/62.
03/20/2018
RPI 2463
#21.1
03/19/1996
RPI 1320
From the same holder
Same category
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