Publicação do pedido de patente
#3.1
11/03/1987
RPI 889
Application data
Number
PI8601661Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 11/03/1987. We update with every new RPI gazette, published weekly.
Applicants
R. K. (pessoa física)
JP
Inventors
S. N. (pessoa física)
JP
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
11/03/1987
RPI 889
#2.1
10/29/1986
RPI 836
#21.1
Patente extinta em 07/04/2001
07/22/2008
RPI 1959
#16.1
11/24/1992
RPI 1147
#13.1
08/11/1992
RPI 1132
#9.1
03/17/1992
RPI 1111
#6.1
09/03/1991
RPI 1083
#5.1
11/27/1990
RPI 1043
#4.1
07/24/1990
RPI 1025
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Same category
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