Solicitação de exame técnico
#4.1
06/28/1988
RPI 923
The letters patent expired on 09/18/2001: 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: 06/28/1988. We update with every new RPI gazette, published weekly.
Applicants
Autometal Indústria e Comércio Ltda
SP, BR
Inventors
I. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
06/28/1988
RPI 923
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Patente extinta em 19/03/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
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