Publicação antecipada
#3.2
07/18/1989
RPI 978
Application data
Number
PI8805935Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 07/18/1989. We update with every new RPI gazette, published weekly.
Applicants
Cia. Siderúrgica Belgo Mineira
MG, BR
Inventors
H. C. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.2
07/18/1989
RPI 978
#2.1
04/04/1989
RPI 963
#21.1
Patente extinta em 04/11/2003
09/02/2008
RPI 1965
#16.1
01/26/1993
RPI 1156
#13.1
09/01/1992
RPI 1135
#9.1
03/17/1992
RPI 1111
#6.1
07/30/1991
RPI 1078
#6.1
02/05/1991
RPI 1053
#4.1
05/29/1990
RPI 1020
From the same holder
Same category
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