Concessão da patente
#16.1
11/26/1985
RPI 788
Application data
Number
PI8107620Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 11/26/1985. We update with every new RPI gazette, published weekly.
Applicants
NGK SPARK PLUG CO [JP]
Inventors
H. N. (pessoa física)
H. M. (pessoa física)
K. N. (pessoa física)
S. T. (pessoa física)
T. Y. (pessoa física)
Pessoa física
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/26/1985
RPI 788
#13.1
09/03/1985
RPI 776
#9.1
05/14/1985
RPI 760
#6.1
10/16/1984
RPI 730
#6.1
05/08/1984
RPI 707
#4.1
06/07/1983
RPI 659
#3.1
08/24/1982
RPI 618
#2.1
01/05/1982
RPI 585
#21.1
Patente extinta em 24/11/96
08/19/2008
RPI 1963
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