Solicitação de exame técnico
#4.1
01/12/1988
RPI 899
Application data
Number
PI8702080Type
Filing
Publication
The letters patent expired on 05/21/2013: 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: 01/12/1988. We update with every new RPI gazette, published weekly.
Applicants
M. T. (pessoa física)
SP, BR
Universidade de São Paulo - USP
SP, BR
Inventors
M. T. (pessoa física)
BR
M. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
01/12/1988
RPI 899
#3.2
11/03/1987
RPI 889
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07/28/1987
RPI 875
#21.1
Patente extinta em 13/05/2013
05/21/2013
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04/26/1994
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