Concessão da patente
#16.1
05/31/1988
RPI 919
Application data
Number
PI8106166Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 05/31/1988. We update with every new RPI gazette, published weekly.
Applicants
NIPPON STEEL CORP
Inventors
A. Y. (pessoa física)
I. K. (pessoa física)
K. K. (pessoa física)
Y. T. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/31/1988
RPI 919
#13.1
03/01/1988
RPI 906
#6.1
02/24/1987
RPI 853
#7.1
11/12/1985
RPI 786
#6.1
10/30/1984
RPI 732
#4.1
10/05/1982
RPI 624
#3.1
06/15/1982
RPI 608
#2.1
11/10/1981
RPI 577
#21.1
Patente extinta em 25/09/96
08/19/2008
RPI 1963
From the same holder
Same category
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