6.2
09/08/1987
RPI 881
Application data
Number
PI8402820Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 09/08/1987. We update with every new RPI gazette, published weekly.
Applicants
Y. C. (pessoa física)
JP
Y. K. (pessoa física)
JP
Y. K. (pessoa física)
JP
Inventors
M. T. (pessoa física)
US
R. J. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
09/08/1987
RPI 881
#4.1
01/21/1986
RPI 796
#3.1
05/21/1985
RPI 761
#2.1
08/14/1984
RPI 721
#21.1
Patente extinta em 06/06/99
07/08/2008
RPI 1957
09/12/1995
RPI 1293
#22.1
11/12/1991
RPI 1093
#15.11
08/06/1991
RPI 1079
#16.1
12/26/1990
RPI 1047
#13.1
10/02/1990
RPI 1035
#9.1
06/19/1990
RPI 1023
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Same category
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