Pedido de patente depositado
#2.1
07/04/1989
RPI 976
The letters patent expired on 11/20/2001: 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: 07/04/1989. We update with every new RPI gazette, published weekly.
Applicants
Aço Minas Gerais S/A - Açominas
MG, BR
Inventors
J. B. (pessoa física)
BR
P. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
07/04/1989
RPI 976
#21.1
Patente extinta em 15/05/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
11/20/2001
RPI 1611
#16.1
08/30/1994
RPI 1239
#13.1
04/12/1994
RPI 1219
#9.1
11/23/1993
RPI 1199
#4.1
06/08/1993
RPI 1175
03/16/1993
RPI 1163
#3.1
03/05/1991
RPI 1057
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Same category
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