04/28/1987
RPI 862
Solicitação de exame técnico
4.1
Invention PatentPI8601729
Potters Industries, Inc.
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: 04/28/1987. We update with every new RPI gazette, published weekly.
Publications in the Brazilian Industrial Property Gazette (RPI).
04/28/1987
RPI 862
4.1
12/16/1986
RPI 843
3.1
10/29/1986
RPI 836
2.1
07/22/2008
RPI 1959
21.1
Patente extinta em 17/04/2001
08/27/1991
RPI 1082
16.1
04/23/1991
RPI 1064
13.1
01/08/1991
RPI 1049
9.1
08/14/1990
RPI 1028
6.1
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