Concessão da patente
#16.1
11/28/1989
RPI 997
Application data
Number
PI8405718Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Sumitomo Electric Industries, Ltd.
JP
Inventors
M. O. (pessoa física)
JP
Y. S. (pessoa física)
JP
Y. K. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/28/1989
RPI 997
#13.1
09/12/1989
RPI 986
#9.1
05/16/1989
RPI 969
#15.11
01/10/1989
RPI 951
#6.1
11/16/1988
RPI 943
#4.1
03/31/1987
RPI 858
#3.1
09/10/1985
RPI 777
#2.1
01/29/1985
RPI 745
#21.1
Patente extinta em 09/11/99
07/08/2008
RPI 1957
From the same holder
Same category
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