Concessão da patente
#16.1
12/29/1987
RPI 897
Application data
Number
PI8300693Type
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: 12/29/1987. We update with every new RPI gazette, published weekly.
Applicants
C. C. (pessoa física)
SP, BR
Companhia Siderúrgica Paulista - COSIPA
SP, BR
Inventors
P. L. (pessoa física)
S. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/29/1987
RPI 897
#13.1
09/29/1987
RPI 884
#9.1
06/09/1987
RPI 868
#4.1
07/15/1986
RPI 821
#3.1
09/18/1984
RPI 726
#2.1
03/29/1983
RPI 649
#21.1
Patente extinta em 10/02/98
07/01/2008
RPI 1956
10/25/1994
RPI 1247
Same category
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