Solicitação de exame técnico
#4.1
04/19/1988
RPI 913
Application data
Number
PI8506916Type
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: 04/19/1988. We update with every new RPI gazette, published weekly.
Applicants
Lenox Institute For Research, Inc sem fins lucrativos
US
Inventors
M. K. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
04/19/1988
RPI 913
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Patente extinta em 03/09/2000
07/15/2008
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07/30/1991
RPI 1078
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03/19/1991
RPI 1059
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12/04/1990
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