Pedido de patente depositado
#2.1
07/18/1989
RPI 978
Application data
Number
PI8902644Type
Filing
Publication
The letters patent expired on 05/21/2013: 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: 07/18/1989. We update with every new RPI gazette, published weekly.
Applicants
Toshiba Ceramics Co , Ltd
JP
Toshiba Ceramics Co., Ltd
JP
Inventors
K. K. (pessoa física)
JP
S. N. (pessoa física)
JP
T. N. (pessoa física)
JP
T. K. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
07/18/1989
RPI 978
#21.1
Patente extinta em 06/06/2009
05/21/2013
RPI 2211
#16.1
09/30/1997
RPI 1400
#13.1
05/13/1997
RPI 1380
#9.1
12/24/1996
RPI 1360
#6.1
06/20/1995
RPI 1281
#4.1
02/19/1991
RPI 1055
#3.1
09/04/1990
RPI 1031
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