6.2
02/14/1989
RPI 956
Application data
Number
PI8502316Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 02/14/1989. We update with every new RPI gazette, published weekly.
Applicants
Y. K. (pessoa física)
JP
Inventors
A. K. (pessoa física)
JP
IPC Classification
Priority claims
JP
59-94128 · 05/11/1984
JP
59-94129 · 05/11/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
02/14/1989
RPI 956
#4.1
07/01/1986
RPI 819
#3.1
01/21/1986
RPI 796
#2.1
07/23/1985
RPI 770
#21.1
Patente extinta em 10/05/2000
07/15/2008
RPI 1958
#22.1
11/12/1991
RPI 1093
#16.1
08/27/1991
RPI 1082
#13.1
05/14/1991
RPI 1067
#9.1
01/22/1991
RPI 1051
#7.1
03/06/1990
RPI 1008
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