Retificação
#15.6
10/11/1988
RPI 938
Application data
Number
PI8500928Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 10/11/1988. We update with every new RPI gazette, published weekly.
Applicants
Usinas Siderúrgicas de Minas Gerais S/A - Usiminas
MG, BR
Inventors
E. L. (pessoa física)
BR
H. O. (pessoa física)
BR
M. K. (pessoa física)
BR
M. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#15.6
10/11/1988
RPI 938
#15.3
05/31/1988
RPI 919
#3.1
10/07/1986
RPI 833
#2.1
05/21/1985
RPI 761
#21.1
Patente extinta em 01/03/2000
07/15/2008
RPI 1958
#16.1
03/30/1993
RPI 1165
#13.1
11/17/1992
RPI 1146
#9.1
06/30/1992
RPI 1126
#4.1
04/09/1991
RPI 1062
From the same holder
Same category
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