09/05/1989
RPI 985
Exigência - art. 36 da LPI
6.1
Invention PatentPI8405416
Promon Eletrônica Ltda
The letters patent expired on 07/08/2008: 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: 09/05/1989. We update with every new RPI gazette, published weekly.
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
09/05/1989
RPI 985
6.1
04/28/1987
RPI 862
4.1
02/10/1987
RPI 851
01/21/1987
RPI 848
05/27/1986
RPI 814
3.1
01/08/1985
RPI 742
2.1
07/08/2008
RPI 1957
21.1
Patente extinta em 22/10/99
03/30/1993
RPI 1165
12/10/1991
RPI 1097
12/03/1991
RPI 1096
11/27/1990
RPI 1043
16.1
09/11/1990
RPI 1032
08/28/1990
RPI 1030
15.3
06/26/1990
RPI 1024
13.1
03/06/1990
RPI 1008
9.1