Publicação do pedido de patente
#3.1
11/28/1989
RPI 997
Application data
Number
PI8901846Type
Filing
Publication
The letters patent expired on 12/15/2009: 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
Nihon Parkerizing Co , Ltd
JP
Nihon Parkerizing Co., Ltd.
JP
Inventors
A. H. (pessoa física)
JP
A. N. (pessoa física)
JP
H. O. (pessoa física)
JP
R. S. (pessoa física)
JP
IPC Classification
Priority claims
JP
63-98022 · 04/20/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
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RPI 997
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: C09K 15/28; C09K 15/32; C09D 3/70.
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