Publicação do pedido de patente
#3.1
03/29/1988
RPI 910
Application data
Number
PI8603734Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 03/29/1988. We update with every new RPI gazette, published weekly.
Applicants
Instituto de Pesquisas Tecnológicas de São Paulo S/A - IPT
SP, BR
Inventors
M. G. (pessoa física)
BR
R. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
03/29/1988
RPI 910
#2.1
03/31/1987
RPI 858
#21.1
Patente extinta em 28/07/2001
07/22/2008
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09/30/1997
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#16.1
11/30/1993
RPI 1200
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08/17/1993
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RPI 1139
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