Solicitação de exame técnico
#4.1
08/23/1988
RPI 931
Application data
Number
PI8705750Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 08/23/1988. We update with every new RPI gazette, published weekly.
Applicants
REM CHEMICALS INC [US]
Inventors
M. M. (pessoa física)
Z. G. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
08/23/1988
RPI 931
#3.1
06/14/1988
RPI 921
#2.1
02/09/1988
RPI 903
#21.1
Patente extinta em 28/10/2002
08/19/2008
RPI 1963
#16.1
01/26/1993
RPI 1156
#13.1
10/20/1992
RPI 1142
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05/26/1992
RPI 1121
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09/10/1991
RPI 1084
Same category
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