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
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
08/16/1988
RPI 930
05/03/1988
RPI 915
06/03/1986
RPI 815
#20.1
05/27/1986
RPI 814
#16.1
07/31/1984
RPI 719
03/27/1984
RPI 701
03/20/1984
RPI 700
06/21/1983
RPI 661
#12.2
06/01/1982
RPI 606
#9.2
02/16/1982
RPI 591
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