Concessão da patente
#16.1
09/26/1989
RPI 988
Application data
Number
PI8300701Type
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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
Toho Yogyo Co., Ltd.
JP
Inventors
M. K. (pessoa física)
JP
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/26/1989
RPI 988
#13.1
07/11/1989
RPI 977
#9.1
03/07/1989
RPI 959
#4.1
07/22/1986
RPI 822
#3.1
09/18/1984
RPI 726
#2.1
03/29/1983
RPI 649
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: D01H 1/04; B32B 1/10; B21B 27/02.
03/27/2018
RPI 2464
#21.1
Patente extinta em 10/02/98
07/01/2008
RPI 1956
Same category
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