Pedido de patente depositado
#2.1
05/23/1989
RPI 970
The letters patent expired on 09/25/2001: 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: 05/23/1989. We update with every new RPI gazette, published weekly.
Applicants
Companhia Industrial de Produtos Siderúrgicos - PROSIDER
MG, BR
Inventors
R. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
05/23/1989
RPI 970
#21.1
Patente extinta em 28/09/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
RPI 1603
#16.1
08/27/1996
RPI 1343
#13.1
03/19/1996
RPI 1320
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11/14/1995
RPI 1302
#6.1
07/04/1995
RPI 1283
#6.1
10/04/1994
RPI 1244
#4.1
07/02/1991
RPI 1074
#3.1
05/22/1990
RPI 1019
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