Solicitação de exame técnico
#4.1
09/13/1988
RPI 934
Application data
Number
PI8507156Type
Filing
Publication
PCT
US1985002589 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: 09/13/1988. We update with every new RPI gazette, published weekly.
Applicants
R. C. (pessoa física)
US
Inventors
J. J. (pessoa física)
US
IPC Classification
Priority claims
US
688.849 · 01/04/1985
US
794.948 · 11/01/1985
Publications in the Brazilian Industrial Property Gazette (RPI).
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09/13/1988
RPI 934
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08/25/1992
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