Pedido de patente depositado
#2.1
10/24/1989
RPI 992
The letters patent expired on 11/20/2001: 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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
NGK Spark Plug CO Ltd
JP
Inventors
O. K. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
10/24/1989
RPI 992
#21.1
Patente extinta em 04/08/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
11/20/2001
RPI 1611
#16.1
05/30/1995
RPI 1278
#13.1
12/20/1994
RPI 1255
#9.1
08/23/1994
RPI 1238
#4.1
06/29/1993
RPI 1178
#3.1
06/25/1991
RPI 1073
From the same holder
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