Solicitação de exame técnico
#4.1
09/06/1988
RPI 933
Application data
Number
PI8702730Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 09/06/1988. We update with every new RPI gazette, published weekly.
Applicants
Minerals Technologies, Inc.
US
Pfizer, Inc.
US
Inventors
J. M. (pessoa física)
US
N. T. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: C03C 14/00; C03C 25/02; C03C 3/078; C03B 37/02; C04B 14/44.
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