Concessão da patente
#16.1
02/03/1987
RPI 850
Application data
Number
PI8107403Type
Filing
Publication
The patent was granted on 02/03/1987 and is in force until 11/16/2001. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.
Protection valid until:11/16/2001
Latest action published by the INPI: 02/03/1987. We update with every new RPI gazette, published weekly.
Applicants
Companhia Siderúrgica Nacional - CSN
RJ, BR
Inventors
C. D. (pessoa física)
D. D. (pessoa física)
S. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/03/1987
RPI 850
#13.1
09/23/1986
RPI 831
#9.1
05/27/1986
RPI 814
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08/13/1985
RPI 773
#4.1
02/26/1985
RPI 749
#3.1
06/21/1983
RPI 661
#2.1
12/29/1981
RPI 584
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