Solicitação de exame técnico
#4.1
08/29/1989
RPI 984
Application data
Number
PI8907919Type
Filing
Publication
The letters patent expired on 12/26/2012: 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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
Brasfilter Indústria e Comércio Ltda
SP, BR
Inventors
A. C. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
08/29/1989
RPI 984
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Patente extinta em 18/04/2009
12/26/2012
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