Pedido de patente depositado
#2.1
12/20/1988
RPI 948
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: 12/20/1988. We update with every new RPI gazette, published weekly.
Applicants
Companhia Siderúrgica Paulista - COSIPA
SP, BR
Inventors
A. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
12/20/1988
RPI 948
#21.1
Patente extinta em 04/07/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
RPI 1603
#16.1
07/25/1995
RPI 1286
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05/02/1995
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12/20/1994
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10/18/1994
RPI 1246
10/04/1994
RPI 1244
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10/19/1993
RPI 1194
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02/13/1991
RPI 1054
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03/01/1990
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