Pedido de patente depositado
#2.1
11/28/1989
RPI 997
Application data
Number
PI8904682Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
NKK Bars & Shapes Co., Ltd
JP
Toa Steel Co., Ltd
JP
Inventors
K. I. (pessoa física)
JP
N. O. (pessoa física)
JP
T. E. (pessoa física)
JP
Y. S. (pessoa física)
JP
IPC Classification
Priority claims
JP
046625/89 · 03/01/1989
JP
229864/88 · 09/16/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
11/28/1989
RPI 997
#21.1
Patente extinta em 18/09/2004
12/22/2009
RPI 2033
#25.1
Transferido de: Toa Steel Co., Ltd.
06/20/2000
RPI 1537
#16.1
09/26/1995
RPI 1295
#15.11
05/02/1995
RPI 1274
#9.1
03/07/1995
RPI 1266
#4.1
11/27/1990
RPI 1043
#3.1
05/01/1990
RPI 1016
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Same category
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