Carta-patente expirada
#21.1
Patente extinta em 29/10/2010
05/21/2013
RPI 2211
Application data
Number
PI9005466Type
Filing
Publication
The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.
Applicants
North American Refractories Co.
US
Inventors
T. V. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 29/10/2010
05/21/2013
RPI 2211
#16.1
08/22/2000
RPI 1546
#9.1
04/04/2000
RPI 1526
#6.1
09/21/1999
RPI 1498
#4.1
12/01/1992
RPI 1148
#3.1
09/17/1991
RPI 1085
#2.1
04/30/1991
RPI 1065
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