Concessão da patente
#16.1
06/24/1986
RPI 818
Application data
Number
PI8105163Type
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: 06/24/1986. 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
06/24/1986
RPI 818
#9.1
10/29/1985
RPI 784
#15.11
04/30/1985
RPI 758
#6.1
01/08/1985
RPI 742
#4.1
06/26/1984
RPI 714
#3.1
04/27/1982
RPI 601
#21.1
Patente extinta em 11/08/96
08/19/2008
RPI 1963
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