Notificação para pagamento de retribuição
#13.1
10/17/1989
RPI 991
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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants
Transformadores União Ltda
SP, BR
Inventors
H. H. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#13.1
10/17/1989
RPI 991
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06/20/1989
RPI 974
#6.1
01/17/1989
RPI 952
#6.1
11/01/1988
RPI 941
#6.1
04/19/1988
RPI 913
#4.1
08/04/1987
RPI 876
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12/24/1985
RPI 792
#2.1
07/24/1984
RPI 718
#21.1
10/04/1994
RPI 1244
#16.1
01/09/1990
RPI 1001
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