Solicitação de exame técnico
#4.1
08/04/1987
RPI 876
Application data
Number
PI8504187Type
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: 08/04/1987. We update with every new RPI gazette, published weekly.
Applicants
Isatec-Pesquisa, Desenvolvimento e análises Químicas Ltda
RS, BR
Inventors
M. V. (pessoa física)
BR
P. P. (pessoa física)
BR
R. D. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
08/04/1987
RPI 876
#3.1
04/07/1987
RPI 859
#2.1
10/29/1985
RPI 784
#21.1
Patente extinta em 29/08/2000
07/15/2008
RPI 1958
#16.1
07/30/1991
RPI 1078
#13.1
04/16/1991
RPI 1063
#9.1
01/02/1991
RPI 1048
#6.1
07/24/1990
RPI 1025
From the same holder
Same category
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