Concessão da patente
#16.1
09/25/1984
RPI 727
The letters patent expired on 12/07/1993: 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: 09/25/1984. We update with every new RPI gazette, published weekly.
Applicants
Instituto de Pesquisas Tecnológicas do Estado de São Paulo
SP, BR
Instituto Florestal da Coordenadoria da Pesquisa de Recursos Naturais da Secretaria da Agricultura.
SP, BR
Inventors
D. F. (pessoa física)
P. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/25/1984
RPI 727
#13.1
04/17/1984
RPI 704
#9.1
12/20/1983
RPI 687
#6.1
07/19/1983
RPI 665
#6.1
07/06/1982
RPI 611
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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