10/11/1988
RPI 938
Solicitação de exame técnico
4.1
Utility ModelMU6800402
Telos S/A Equipamentos E Sistemas
The letters patent expired on 09/25/2001: 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: 10/11/1988. We update with every new RPI gazette, published weekly.
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
10/11/1988
RPI 938
4.1
08/02/1988
RPI 928
3.2
06/14/1988
RPI 921
2.1
09/25/2001
RPI 1603
21.1
Patente extinta em 29/02/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
06/29/1993
RPI 1178
16.1
04/06/1993
RPI 1166
12/08/1992
RPI 1149
15.11
12/01/1992
RPI 1148
13.1
07/14/1992
RPI 1128
9.1