Concessão da patente
#16.1
08/29/1989
RPI 984
Application data
Number
PI8008530Type
Filing
Publication
The letters patent expired on 03/19/1996: 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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
Cia. Aços Especiais Itabira - ACESITA
MG, BR
Inventors
A. S. (pessoa física)
BR
C. M. (pessoa física)
BR
E. V. (pessoa física)
BR
M. C. (pessoa física)
BR
M. A. (pessoa física)
BR
R. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/29/1989
RPI 984
#13.1
01/17/1989
RPI 952
#9.1
06/21/1988
RPI 922
#15.6
03/15/1988
RPI 908
#15.3
09/15/1987
RPI 882
#15.6
07/07/1987
RPI 872
#15.1
03/31/1987
RPI 858
#6.1
01/07/1986
RPI 794
#6.1
01/10/1984
RPI 690
#4.1
03/15/1983
RPI 647
#3.1
08/10/1982
RPI 616
#21.1
03/19/1996
RPI 1320
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