Pedido de patente depositado
#2.1
03/01/1988
RPI 906
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: 03/01/1988. We update with every new RPI gazette, published weekly.
Applicants
Union Siderurgique du Nord et de L'est de la France (USINOR)
FR
Inventors
G. S. (pessoa física)
FR
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
03/01/1988
RPI 906
#21.1
Patente extinta em 16/05/2000
07/15/2008
RPI 1958
#16.1
09/24/1996
RPI 1347
#9.1
01/02/1996
RPI 1309
#6.1
12/06/1994
RPI 1253
11/17/1992
RPI 1146
#4.1
06/19/1990
RPI 1023
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