Carta-patente expirada
#21.1
Patente extinta em 25/08/2004
12/22/2009
RPI 2033
Application data
Number
PI8904409Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 12/22/2009. We update with every new RPI gazette, published weekly.
Applicants
Fundação de Ciência e Tecnologia
RS, BR
Inventors
A. G. (pessoa física)
BR
D. C. (pessoa física)
BR
F. R. (pessoa física)
BR
M. S. (pessoa física)
BR
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 25/08/2004
12/22/2009
RPI 2033
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07/30/1996
RPI 1339
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01/02/1996
RPI 1309
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08/01/1995
RPI 1287
#4.1
08/13/1991
RPI 1080
#3.1
02/26/1991
RPI 1056
#2.1
10/30/1990
RPI 1039
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