Concessão da patente
#16.1
03/25/1986
RPI 805
Application data
Number
PI8105112Type
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: 03/25/1986. We update with every new RPI gazette, published weekly.
Applicants
SONY CORP
Inventors
M. T. (pessoa física)
N. W. (pessoa física)
T. S. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/25/1986
RPI 805
#13.1
12/10/1985
RPI 790
#9.1
08/06/1985
RPI 772
#15.11
04/30/1985
RPI 758
#6.1
01/08/1985
RPI 742
#4.1
06/05/1984
RPI 711
#3.1
04/27/1982
RPI 601
#21.1
Patente extinta em 07/08/96
08/19/2008
RPI 1963
From the same holder
Same category
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