Solicitação de exame técnico
#4.1
07/01/1986
RPI 819
Application data
Number
PI8502473Type
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: 07/01/1986. We update with every new RPI gazette, published weekly.
Applicants
Y. K. (pessoa física)
JP
Inventors
K. T. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
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07/01/1986
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Patente extinta em 16/05/2000
07/15/2008
RPI 1958
#16.1
09/29/1992
RPI 1139
11/12/1991
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06/25/1991
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