Solicitação de exame técnico
#4.1
03/28/1989
RPI 962
Application data
Number
PI8802758Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 03/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Aletron Produtos Químicos Ltda.
SP, BR
E. K. (pessoa física)
SP, BR
W. K. (pessoa física)
SP, BR
Inventors
T. E. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
03/28/1989
RPI 962
#3.2
10/04/1988
RPI 937
#2.1
09/27/1988
RPI 936
#21.1
Patente extinta em 07/06/2003
09/02/2008
RPI 1965
#20.1
03/19/1996
RPI 1320
#16.1
03/30/1993
RPI 1165
#13.1
08/11/1992
RPI 1132
#15.11
05/12/1992
RPI 1119
#9.1
02/18/1992
RPI 1107
From the same holder
Same category
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