Solicitação de exame técnico
#4.1
06/09/1987
RPI 868
Application data
Number
PI8503727Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 06/09/1987. We update with every new RPI gazette, published weekly.
Applicants
C. M. (pessoa física)
SP, BR
Inventors
C. T. (pessoa física)
BR
E. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
06/09/1987
RPI 868
#3.1
03/17/1987
RPI 856
#2.1
09/02/1986
RPI 828
#21.1
Patente extinta em 07/08/2000
07/15/2008
RPI 1958
#16.1
04/30/1991
RPI 1065
#13.1
01/15/1991
RPI 1050
#9.1
10/02/1990
RPI 1035
From the same holder
Same category
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