Solicitação de exame técnico
#4.1
06/06/1989
RPI 972
The application was refused by the INPI on 03/05/1991. The invention was never patented.
Talk to a specialistLatest action published by the INPI: 06/06/1989. We update with every new RPI gazette, published weekly.
Applicants
Indústria e Comércio Sonolar Ltda
SP, BR
Inventors
E. T. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
06/06/1989
RPI 972
#3.1
01/17/1989
RPI 952
#2.1
11/29/1988
RPI 945
#2.1
11/17/1987
RPI 891
#15.11
07/02/1991
RPI 1074
#9.2
03/05/1991
RPI 1057
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Same category
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