Concessão da patente
#16.1
04/28/1987
RPI 862
The letters patent expired on 05/02/1995: 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: 04/28/1987. We update with every new RPI gazette, published weekly.
Applicants
KUROSAKI REFRACTORIES CO
Inventors
I. T. (pessoa física)
S. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/28/1987
RPI 862
07/01/1986
RPI 819
#12.2
08/06/1985
RPI 772
#9.2
04/16/1985
RPI 756
#21.1
05/02/1995
RPI 1274
From the same holder
Same category
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