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
#16.1
12/27/1983
RPI 688
#13.1
10/25/1983
RPI 679
08/16/1983
RPI 669
08/02/1983
RPI 667
03/01/1983
RPI 645
#12.2
02/24/1982
RPI 592
#9.2
10/20/1981
RPI 574
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