Solicitação de exame técnico
#4.1
01/21/1986
RPI 796
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: 01/21/1986. We update with every new RPI gazette, published weekly.
Applicants
Indústria de Concreto São Paulo S/A - INCOSPAL
ES, BR
Inventors
M. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
01/21/1986
RPI 796
#3.2
09/24/1985
RPI 779
#2.1
04/09/1985
RPI 755
#21.1
05/09/1995
RPI 1275
#16.1
11/24/1992
RPI 1147
#13.1
07/28/1992
RPI 1130
#9.1
03/03/1992
RPI 1109
#6.1
08/13/1991
RPI 1080
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