Carta-patente expirada
#21.1
Patente extinta em 15/12/2004
08/26/2008
RPI 1964
The letters patent expired on 08/26/2008: 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: 08/26/2008. We update with every new RPI gazette, published weekly.
Applicants
A. I. (pessoa física)
US
Inventors
R. M. (pessoa física)
CA
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 15/12/2004
08/26/2008
RPI 1964
#16.1
09/30/1997
RPI 1400
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01/07/1997
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08/20/1996
RPI 1342
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11/07/1995
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03/07/1995
RPI 1266
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11/17/1992
RPI 1146
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08/28/1990
RPI 1030
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