Solicitação de exame técnico
#4.1
05/27/1986
RPI 814
The letters patent expired on 05/09/1995: 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: 05/27/1986. We update with every new RPI gazette, published weekly.
Applicants
S. A. (pessoa física)
DE
Inventors
D. W. (pessoa física)
DE
E. G. (pessoa física)
DE
Publications in the Brazilian Industrial Property Gazette (RPI).
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05/27/1986
RPI 814
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06/09/1992
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01/28/1992
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10/08/1991
RPI 1088
#9.1.2
10/09/1990
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#9.1
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#7.1
03/20/1990
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