Concessão da patente
#16.1
10/01/1985
RPI 780
Application data
Number
PI8207076Type
Filing
Publication
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: 10/01/1985. We update with every new RPI gazette, published weekly.
Applicants
Hitachi, Ltd.
JP
Inventors
K. N. (pessoa física)
K. K. (pessoa física)
K. T. (pessoa física)
S. A. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/01/1985
RPI 780
#13.1
05/21/1985
RPI 761
#15.11
05/21/1985
RPI 761
#9.1
01/29/1985
RPI 745
#4.1
01/24/1984
RPI 692
#3.1
10/11/1983
RPI 677
#2.1
02/01/1983
RPI 641
#21.1
Patente extinta em 06/12/97
07/01/2008
RPI 1956
From the same holder
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