Concessão da patente
#16.1
06/24/1986
RPI 818
The letters patent expired on 09/24/1996: 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: 06/24/1986. We update with every new RPI gazette, published weekly.
Applicants
Sumitomo Metal Industries, LTD.
JP
Inventors
E. H. (pessoa física)
E. Y. (pessoa física)
K. K. (pessoa física)
T. M. (pessoa física)
T. T. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/24/1986
RPI 818
#13.1
04/15/1986
RPI 808
#9.1
11/12/1985
RPI 786
#6.1
03/05/1985
RPI 750
#4.1
02/02/1982
RPI 589
#21.1
09/24/1996
RPI 1347
From the same holder
Same category
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