Pedido de patente depositado
#2.1
02/21/1989
RPI 957
Application data
Number
PI8805139Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 02/21/1989. We update with every new RPI gazette, published weekly.
Applicants
Instituto de Pesquisas Tecnológicas de São Paulo S/A - IPT
SP, BR
Instituto de Pesquisas Tecnológicas do Estado de São Paulo
SP, BR
Inventors
C. C. (pessoa física)
BR
E. C. (pessoa física)
BR
F. R. (pessoa física)
BR
J. V. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
02/21/1989
RPI 957
#21.1
Patente extinta em 30/09/2003
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