Carta-patente expirada
#21.1
Patente extinta em 11/05/2009
12/26/2012
RPI 2190
Application data
Number
PI8907446Type
Filing
Publication
PCT
US1989002043 The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.
Applicants
K. C. (pessoa física)
US
Inventors
E. A. (pessoa física)
US
J. M. (pessoa física)
US
R. M. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 11/05/2009
12/26/2012
RPI 2190
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01/21/1998
RPI 1413
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05/20/1997
RPI 1381
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08/27/1996
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09/10/1991
RPI 1084
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05/21/1991
RPI 1068
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