Carta-patente expirada
#21.1
Patente extinta em 18/07/2001
07/01/2008
RPI 1956
The letters patent expired on 07/01/2008: 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: 07/01/2008. We update with every new RPI gazette, published weekly.
Applicants
D. A. (pessoa física)
RJ, BR
L. R. (pessoa física)
SP, BR
Inventors
D. A. (pessoa física)
BR
L. R. (pessoa física)
BR
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 18/07/2001
07/01/2008
RPI 1956
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08/30/1994
RPI 1239
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05/03/1994
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11/24/1992
RPI 1147
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06/02/1992
RPI 1122
#2.1
03/17/1992
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