Carta-patente expirada
#21.1
09/13/1988
RPI 934
The letters patent expired on 09/13/1988: 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: 09/13/1988. We update with every new RPI gazette, published weekly.
Applicants
S. D. (pessoa física)
Inventors
S. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
09/13/1988
RPI 934
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06/28/1983
RPI 662
#13.1
02/16/1983
RPI 643
#9.1
10/13/1982
RPI 625
#6.1
03/16/1982
RPI 595
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