Solicitação de exame técnico
#4.1
01/07/1986
RPI 794
The letters patent expired on 05/09/1995: 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: 01/07/1986. We update with every new RPI gazette, published weekly.
Applicants
Indústria de Concreto São Paulo S/A - INCOSPAL
ES, BR
Inventors
A. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
01/07/1986
RPI 794
#3.2
09/24/1985
RPI 779
#2.1
04/09/1985
RPI 755
#21.1
05/09/1995
RPI 1275
#16.1
04/27/1993
RPI 1169
#15.6
04/06/1993
RPI 1166
#15.3
12/08/1992
RPI 1149
#13.1
07/28/1992
RPI 1130
#9.1
03/03/1992
RPI 1109
#6.1
08/20/1991
RPI 1081
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Same category
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