Carta-patente expirada
#21.1
Patente extinte em 13/09/2011
06/11/2013
RPI 2214
Application data
Number
PI9103989Type
Filing
Publication
The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.
Applicants
NGK Spark Plug Co. Ltd
JP
Inventors
J. K. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinte em 13/09/2011
06/11/2013
RPI 2214
#16.1
04/18/2000
RPI 1528
#9.1
09/14/1999
RPI 1497
#6.1
11/10/1998
RPI 1453
#4.1
04/26/1994
RPI 1221
#3.1
05/26/1992
RPI 1121
#2.1
10/22/1991
RPI 1090
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