Solicitação de exame técnico
#4.1
08/02/1988
RPI 928
The letters patent expired on 09/18/2001: 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: 08/02/1988. We update with every new RPI gazette, published weekly.
Applicants
S. V. (pessoa física)
SP, BR
Universidade de São Paulo - USP
SP, BR
Inventors
S. V. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
08/02/1988
RPI 928
08/02/1988
RPI 928
#4.2
05/10/1988
RPI 916
#3.2
03/01/1988
RPI 906
#2.1
11/17/1987
RPI 891
#21.1
Patente extinta em 13/05/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
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11/26/1991
RPI 1095
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08/13/1991
RPI 1080
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07/02/1991
RPI 1074
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04/30/1991
RPI 1065
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01/08/1991
RPI 1049
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