Solicitação de exame técnico
#4.1
12/01/1987
RPI 893
Application data
Number
PI8703683Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 12/01/1987. We update with every new RPI gazette, published weekly.
Applicants
J. S. (pessoa física)
PB, BR
Inventors
J. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/01/1987
RPI 893
#3.2
10/13/1987
RPI 886
#2.1
10/06/1987
RPI 885
#21.1
Patente extinta em 15/07/2002
07/29/2008
RPI 1960
#16.1
11/24/1992
RPI 1147
#13.1
07/28/1992
RPI 1130
#9.1
05/21/1991
RPI 1068
From the same holder
Same category
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