09/12/1989
RPI 986
Solicitação de exame técnico
4.1
Utility ModelMU6701964
Meguro Instrumentos Eletrônicos Ltda
The letters patent expired on 09/18/2001: 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: 09/12/1989. We update with every new RPI gazette, published weekly.
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
09/12/1989
RPI 986
4.1
03/14/1989
RPI 960
3.2
12/29/1987
RPI 897
2.1
09/18/2001
RPI 1602
21.1
Patente extinta em 24/08/97 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
10/29/1991
RPI 1091
16.1
07/23/1991
RPI 1077
13.1
04/09/1991
RPI 1062
9.1