Concessão da patente
#16.1
06/28/1988
RPI 923
Application data
Number
PI8306649Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 06/28/1988. We update with every new RPI gazette, published weekly.
Applicants
Companhia Siderúrgica Paulista - COSIPA
SP, BR
Inventors
A. T. (pessoa física)
BR
E. M. (pessoa física)
BR
L. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/28/1988
RPI 923
#13.1
12/15/1987
RPI 895
#9.1
08/25/1987
RPI 879
#4.1
08/12/1986
RPI 825
#3.1
07/09/1985
RPI 768
#2.1
02/14/1984
RPI 695
#21.1
Patente extinta em 02/12/98
07/01/2008
RPI 1956
06/24/1997
RPI 1386
10/25/1994
RPI 1247
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Same category
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