14.1
11/14/1989
RPI 995
The letters patent expired on 03/26/1996: 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: 11/14/1989. We update with every new RPI gazette, published weekly.
Applicants
Pextron Contrôles Eletrônicos Ltda.
SP, BR
W. J. (pessoa física)
W. J. (pessoa física)
Inventors
W. J. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/14/1989
RPI 995
#13.1
10/03/1989
RPI 989
#9.1
06/06/1989
RPI 972
#4.1
08/19/1986
RPI 826
#3.2
06/24/1986
RPI 818
#2.1
06/17/1986
RPI 817
#21.1
03/26/1996
RPI 1321
#16.1
03/20/1990
RPI 1010
From the same holder
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