Publicação do pedido de patente
#3.1
05/17/1988
RPI 917
Application data
Number
PI8603832Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 05/17/1988. We update with every new RPI gazette, published weekly.
Applicants
Cerâmica e Velas de Ignição NGK do Brasil Ltda
SP, BR
Cerâmica e Velas de Ignição Ngk do Brasil S/A
SP, BR
Inventors
M. Y. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
05/17/1988
RPI 917
#2.1
01/06/1987
RPI 846
#21.1
Patente extinta em 06/08/2001
07/22/2008
RPI 1959
04/06/1993
RPI 1166
#16.1
04/28/1992
RPI 1117
#13.1
11/05/1991
RPI 1092
09/17/1991
RPI 1085
#9.1
04/02/1991
RPI 1061
#4.1
08/21/1990
RPI 1029
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