Concessão da patente
#16.1
01/26/1988
RPI 901
The letters patent expired on 11/22/1994: 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: 01/26/1988. We update with every new RPI gazette, published weekly.
Applicants
KAWAEI CO LTD [JP]
Inventors
K. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
01/26/1988
RPI 901
#13.1
10/20/1987
RPI 887
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06/23/1987
RPI 870
#4.1
05/13/1986
RPI 812
#3.1
10/22/1985
RPI 783
#2.1
10/23/1984
RPI 731
#21.1
11/22/1994
RPI 1251
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