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
I. P. (pessoa física)
Inventors
R. L. (pessoa física)
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
08/16/1988
RPI 930
02/09/1988
RPI 903
02/09/1988
RPI 903
08/18/1987
RPI 878
#18.2
06/30/1987
RPI 871
#22.1
09/16/1986
RPI 830
#16.1
02/24/1982
RPI 592
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