22.2
09/27/1988
RPI 936
The letters patent expired on 12/07/1993: 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: 09/27/1988. We update with every new RPI gazette, published weekly.
Applicants
IND DE PAPEL SIMAO S A [BR]
Inventors
N. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
09/27/1988
RPI 936
#18.2
06/21/1988
RPI 922
#16.1
04/30/1985
RPI 758
#9.1
09/18/1984
RPI 726
#4.1
09/13/1983
RPI 673
#3.1
05/03/1983
RPI 654
#2.1
11/03/1981
RPI 576
#21.1
12/07/1993
RPI 1201
#22.1
06/05/1990
RPI 1021
05/22/1990
RPI 1019
Same category
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