Concessão da patente
#16.1
11/24/1987
RPI 892
Application data
Number
PI8206986Type
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: 11/24/1987. We update with every new RPI gazette, published weekly.
Applicants
Companhia Siderurgica Paulista - COSIPA
SP, BR
Inventors
C. D. (pessoa física)
F. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/24/1987
RPI 892
#13.1
08/11/1987
RPI 877
#9.1
03/31/1987
RPI 858
#4.1
05/27/1986
RPI 814
#3.1
07/10/1984
RPI 716
#2.1
01/25/1983
RPI 640
#21.1
Patente extinta em 02/12/97
07/01/2008
RPI 1956
10/25/1994
RPI 1247
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Same category
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