Carta-patente expirada
#21.1
Patente extinta em 20/03/2005
05/18/2010
RPI 2054
Application data
Number
PI9001438Type
Filing
Publication
The letters patent expired on 05/18/2010: 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: 05/18/2010. We update with every new RPI gazette, published weekly.
Applicants
NGK Insulators, Ltd
JP
Inventors
H. M. (pessoa física)
JP
I. K. (pessoa física)
JP
S. K. (pessoa física)
JP
T. I. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 20/03/2005
05/18/2010
RPI 2054
#16.1
04/29/1997
RPI 1378
#13.1
09/24/1996
RPI 1347
#9.1
02/27/1996
RPI 1317
#4.1
05/14/1991
RPI 1067
#4.2
03/05/1991
RPI 1057
#3.2
11/13/1990
RPI 1041
#2.1
08/07/1990
RPI 1027
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