Solicitação de exame técnico
#4.1
11/14/1989
RPI 995
Application data
Number
PI8705948Type
Filing
Publication
The letters patent expired on 08/26/2008: 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: 11/14/1989. We update with every new RPI gazette, published weekly.
Applicants
Carborundum do Brasil Ltda
SP, BR
Carborundum S/A Indústria Brasileira
SP, BR
Inventors
E. P. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/14/1989
RPI 995
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08/26/2008
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