Concessão da patente
#16.1
08/25/1987
RPI 879
The letters patent expired on 10/04/1994: 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: 08/25/1987. We update with every new RPI gazette, published weekly.
Applicants
METALURGICA MULT IND E COMERCI [BR]
Inventors
I. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/25/1987
RPI 879
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03/04/1987
RPI 854
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09/30/1986
RPI 832
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RPI 791
#4.1
08/07/1984
RPI 720
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05/22/1984
RPI 709
#2.1
05/08/1984
RPI 707
#21.1
10/04/1994
RPI 1244
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