Pedido de patente depositado
#2.1
03/28/1989
RPI 962
Application data
Number
PI8805834Type
Filing
Publication
The letters patent expired on 12/18/2012: 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: 03/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Instituto de Pesquisas Tecnológicas de São Paulo S/A - IPT
SP, BR
Inventors
M. H. (pessoa física)
BR
T. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
03/28/1989
RPI 962
#21.1
Patente extinta em 29/12/2008
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