Publicação do pedido de patente
#3.1
11/21/1989
RPI 996
Application data
Number
PI8901613Type
Filing
Publication
The letters patent expired on 12/26/2012: 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: 11/21/1989. We update with every new RPI gazette, published weekly.
Applicants
N. C. (pessoa física)
JP
Nippon Oil Co, Ltd
JP
Inventors
H. H. (pessoa física)
JP
U. S. (pessoa física)
JP
IPC Classification
Priority claims
JP
1-38360 · 02/20/1989
JP
1-38361 · 02/20/1989
JP
63-82983 · 04/06/1988
JP
63-98378 · 04/22/1988
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