Concessão da patente
#16.1
08/25/1987
RPI 879
The letters patent expired on 04/18/1995: 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: 08/25/1987. We update with every new RPI gazette, published weekly.
Applicants
P. R. (pessoa física)
Inventors
P. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/25/1987
RPI 879
#13.1
03/04/1987
RPI 854
#9.1
09/30/1986
RPI 832
12/31/1985
RPI 793
#12.3
06/25/1985
RPI 766
04/09/1985
RPI 755
#6.1
11/20/1984
RPI 735
#6.1
05/29/1984
RPI 710
#6.1
11/22/1983
RPI 683
#4.1
05/17/1983
RPI 656
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: F16K 17/00; A62C 31/14.
03/27/2018
RPI 2464
#21.1
04/18/1995
RPI 1272
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