20.4
09/13/1988
RPI 934
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: 09/13/1988. We update with every new RPI gazette, published weekly.
Applicants
PEXTRON IND ELETRONICA LTDA [BR]
Inventors
F. F. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
09/13/1988
RPI 934
09/25/1984
RPI 727
#16.1
06/26/1984
RPI 714
#13.1
04/10/1984
RPI 703
#9.1
12/13/1983
RPI 686
#6.1
07/19/1983
RPI 665
#4.1
10/13/1982
RPI 625
#3.1
08/03/1982
RPI 615
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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