12/22/1987
RPI 896
Conhecimento de parecer técnico
7.1
Utility ModelMU6402209
BIC - Indústria Esferográfica Brasileira S/A
The letters patent expired on 09/17/1996: 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: 12/22/1987. We update with every new RPI gazette, published weekly.
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
12/22/1987
RPI 896
7.1
09/16/1986
RPI 830
5.1
07/15/1986
RPI 821
4.1
09/17/1985
RPI 778
3.1
04/24/1984
RPI 705
2.1
09/17/1996
RPI 1346
21.1
07/30/1996
RPI 1339
16.1
01/30/1996
RPI 1313
13.1
12/19/1995
RPI 1307
11/07/1995
RPI 1301
03/17/1992
RPI 1111
12.2
12/03/1991
RPI 1096
9.2