Carta-patente expirada
#21.1
11/08/1988
RPI 942
The letters patent expired on 11/08/1988: 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: 11/08/1988. We update with every new RPI gazette, published weekly.
Applicants
E. I. (pessoa física)
Inventors
A. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
11/08/1988
RPI 942
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RPI 691
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09/27/1983
RPI 675
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RPI 641
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RPI 640
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