Carta-patente expirada
#21.1
Patente extinta em 06/03/2010
01/08/2013
RPI 2192
Application data
Number
PI9001039Type
Filing
Publication
The letters patent expired on 01/08/2013: 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: 01/08/2013. We update with every new RPI gazette, published weekly.
Applicants
Thiele Kaolin Company
US
Inventors
E. A. (pessoa física)
US
G. W. (pessoa física)
US
J. S. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 06/03/2010
01/08/2013
RPI 2192
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08/25/1998
RPI 1444
#9.1
01/21/1998
RPI 1413
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11/19/1996
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04/11/1995
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08/27/1991
RPI 1082
#3.1
02/26/1991
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06/26/1990
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