Concessão da patente
#16.1
03/29/1988
RPI 910
The letters patent expired on 07/01/2008: 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: 03/29/1988. We update with every new RPI gazette, published weekly.
Applicants
Sumitomo Aluminium Smelting CO., LTD
JP
Inventors
H. K. (pessoa física)
JP
K. Y. (pessoa física)
JP
T. H. (pessoa física)
JP
Y. S. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/29/1988
RPI 910
01/12/1988
RPI 899
#13.1
11/24/1987
RPI 892
#9.1
07/28/1987
RPI 875
#6.1
07/30/1985
RPI 771
#5.1
12/06/1983
RPI 685
#4.1
07/19/1983
RPI 665
#2.1
04/06/1982
RPI 598
#21.1
Patente extinta em 18/02/97
07/01/2008
RPI 1956
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.