Carta-patente expirada
#21.1
08/16/1988
RPI 930
The letters patent expired on 08/16/1988: 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: 08/16/1988. We update with every new RPI gazette, published weekly.
Applicants
O. L. (pessoa física)
Inventors
O. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
08/16/1988
RPI 930
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11/29/1983
RPI 684
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09/20/1983
RPI 674
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04/26/1983
RPI 653
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10/05/1982
RPI 624
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02/09/1982
RPI 590
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