06/06/1989
RPI 972
Solicitação de exame técnico
4.1
Utility ModelMU6701228
Indústria e Comércio Sonolar Ltda
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.
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
06/06/1989
RPI 972
4.1
01/17/1989
RPI 952
3.1
11/29/1988
RPI 945
2.1
11/17/1987
RPI 891
2.1
07/02/1991
RPI 1074
15.11
03/05/1991
RPI 1057
9.2
From the same holder