Solicitação de exame técnico
#4.1
12/15/1987
RPI 895
Application data
Number
PI8701725Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 12/15/1987. We update with every new RPI gazette, published weekly.
Applicants
Prodty Engenharia e Comércio Ltda.
SP, BR
Inventors
L. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/15/1987
RPI 895
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09/22/1987
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08/11/1987
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08/04/1987
RPI 876
#21.1
Patente extinta em 20/03/2002
07/29/2008
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03/31/1992
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05/07/1991
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