Pedido de patente depositado
#2.1
10/31/1989
RPI 993
The patent was granted on 07/27/1993 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
Eletrotécnica Walk Control Ltda
SP, BR
Inventors
D. V. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
10/31/1989
RPI 993
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07/16/1996
RPI 1337
#16.1
07/27/1993
RPI 1182
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04/06/1993
RPI 1166
#9.1
11/17/1992
RPI 1146
#4.1
07/23/1991
RPI 1077
#3.1
06/04/1991
RPI 1070
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