Solicitação de exame técnico
#4.1
08/16/1988
RPI 930
Application data
Number
PI8500663Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 08/16/1988. We update with every new RPI gazette, published weekly.
Applicants
Universidade Estadual de Campinas - Unicamp
SP, BR
Inventors
I. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
08/16/1988
RPI 930
#3.1
09/16/1986
RPI 830
05/27/1986
RPI 814
#2.1
05/07/1985
RPI 759
#21.1
Patente extinta em 13/02/2000
07/15/2008
RPI 1958
#16.1
10/26/1993
RPI 1195
#13.1
06/15/1993
RPI 1176
#9.1
03/02/1993
RPI 1161
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Same category
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