Pedido de patente depositado
#2.1
07/04/1989
RPI 976
Application data
Number
PI8902270Type
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: 07/04/1989. We update with every new RPI gazette, published weekly.
Applicants
The Japan Steel Works, Ltd.
JP
Inventors
H. M. (pessoa física)
M. Y. (pessoa física)
T. S. (pessoa física)
IPC Classification
Priority claims
JP
118122/88 · 05/17/1988
JP
193450/88 · 08/04/1988
JP
243925/88 · 09/30/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
07/04/1989
RPI 976
#21.1
Patente extinta em 16/05/2004
12/22/2009
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03/01/1995
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03/29/1994
RPI 1217
#9.1
08/03/1993
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04/16/1991
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03/01/1990
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