Carta-patente expirada
#21.1
Patente extinta em 10/05/2005
05/18/2010
RPI 2054
Application data
Number
PI9002182Type
Filing
Publication
The letters patent expired on 05/18/2010: 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: 05/18/2010. We update with every new RPI gazette, published weekly.
Applicants
Duratex S/A
SP, BR
Duratex Sociedade Anônima
SP, BR
Inventors
E. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 10/05/2005
05/18/2010
RPI 2054
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12/05/1995
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11/12/1991
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