Publicação do pedido de patente
#3.1
10/24/1989
RPI 992
The letters patent expired on 09/25/2001: 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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
Universidade de São Paulo - USP
SP, BR
Inventors
A. M. (pessoa física)
BR
E. O. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
10/24/1989
RPI 992
#2.1
05/16/1989
RPI 969
#21.1
Patente extinta em 30/03/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
RPI 1603
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03/28/1995
RPI 1269
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