Pedido de patente depositado
#2.1
11/07/1989
RPI 994
Application data
Number
PI8904180Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 11/07/1989. We update with every new RPI gazette, published weekly.
Applicants
Instituto de Pesquisas Tecnológicas do Estado de São Paulo
SP, BR
Instituto de Pesquisas Tecnológicas do Estado de São Paulo S/A - IPT
SP, BR
Inventors
C. S. (pessoa física)
BR
C. P. (pessoa física)
BR
M. J. (pessoa física)
BR
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
11/07/1989
RPI 994
#21.1
Patente extinta em 15/08/2004
12/22/2009
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11/28/1995
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#13.1
08/08/1995
RPI 1288
#9.1
03/07/1995
RPI 1266
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04/13/1993
RPI 1167
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02/19/1991
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