Solicitação de exame técnico
#4.1
05/23/1989
RPI 970
Application data
Number
PI8802346Type
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: 05/23/1989. We update with every new RPI gazette, published weekly.
Applicants
C. P. (pessoa física)
Universidade de São Paulo - USP
SP, BR
Inventors
C. P. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
05/23/1989
RPI 970
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12/27/1988
RPI 949
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10/11/1988
RPI 938
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Patente extinta em 16/05/2003
09/02/2008
RPI 1965
#16.1
05/31/1994
RPI 1226
#13.1
01/18/1994
RPI 1207
#9.1
08/10/1993
RPI 1184
06/11/1991
RPI 1071
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