Pedido de patente depositado
#2.1
12/13/1988
RPI 947
Application data
Number
PI8803347Type
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: 12/13/1988. We update with every new RPI gazette, published weekly.
Applicants
Aço Minas Gerais S/A - Açominas
MG, BR
Gerdau Açominas S/A
MG, BR
Inventors
H. S. (pessoa física)
BR
S. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
12/13/1988
RPI 947
#21.1
Patente extinta em 01/07/2003
09/02/2008
RPI 1965
#25.4
Alterado de: Aço Minas Gerais S/A - Açominas
11/22/2005
RPI 1820
#16.1
07/25/1995
RPI 1286
#13.1
04/04/1995
RPI 1270
#9.1
11/29/1994
RPI 1252
#6.1
05/31/1994
RPI 1226
#6.1
11/16/1993
RPI 1198
#4.1
02/25/1992
RPI 1108
#3.1
02/13/1990
RPI 1006
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