Concessão da patente
#16.1
08/29/1989
RPI 984
Application data
Number
PI8207535Type
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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
Usinas Siderúrgicas de Minas Gerais S/A - USIMINAS
MG, BR
Inventors
A. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/29/1989
RPI 984
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03/07/1989
RPI 959
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04/26/1988
RPI 914
#15.6
02/09/1988
RPI 903
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10/20/1987
RPI 887
#4.1
07/29/1986
RPI 823
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07/31/1984
RPI 719
#2.1
02/16/1983
RPI 643
#21.1
Patente extinta em 28/12/97
07/01/2008
RPI 1956
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