Solicitação de exame técnico
#4.1
05/31/1988
RPI 919
Application data
Number
PI8500556Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 05/31/1988. We update with every new RPI gazette, published weekly.
Applicants
Metal Leve S/A Indústria e Comércio
SP, BR
Inventors
A. A. (pessoa física)
BR
D. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
05/31/1988
RPI 919
#3.1
09/09/1986
RPI 829
#2.1
04/30/1985
RPI 758
#21.1
Patente extinta em 07/02/2000
07/15/2008
RPI 1958
#16.1
09/24/1991
RPI 1086
#13.1
05/14/1991
RPI 1067
#9.1
01/22/1991
RPI 1051
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Same category
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