320
03/17/1987
RPI 856
The letters patent expired on 12/07/1993: 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: 03/17/1987. We update with every new RPI gazette, published weekly.
Applicants
Produtos Elétricos Corona Ltda.
SP, BR
Inventors
T. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
03/17/1987
RPI 856
04/22/1986
RPI 809
12/17/1985
RPI 791
#17.1
07/30/1985
RPI 771
06/11/1985
RPI 764
#16.1
01/15/1985
RPI 743
#13.1
10/30/1984
RPI 732
09/04/1984
RPI 724
#12.1
03/27/1984
RPI 701
#9.1
12/13/1983
RPI 686
#6.1
08/16/1983
RPI 669
#6.1
08/03/1982
RPI 615
#5.1
03/02/1982
RPI 593
#21.1
12/07/1993
RPI 1201
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Same category
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