Publicação do pedido de patente
#3.1
04/25/1989
RPI 966
Application data
Number
PI8705363Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 04/25/1989. We update with every new RPI gazette, published weekly.
Applicants
Usinas Siderúrgicas de Minas Gerais S/A - Usiminas
MG, BR
Inventors
B. C. (pessoa física)
BR
F. N. (pessoa física)
BR
G. M. (pessoa física)
BR
J. B. (pessoa física)
BR
O. M. (pessoa física)
BR
P. L. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
04/25/1989
RPI 966
#2.1
12/22/1987
RPI 896
#21.1
Patente extinta em 08/10/2002
07/29/2008
RPI 1960
#16.1
06/28/1994
RPI 1230
#13.1
03/22/1994
RPI 1216
#9.1
11/16/1993
RPI 1198
#4.1
01/22/1991
RPI 1051
From the same holder
Same category
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