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
N. K. (pessoa física)
Inventors
No inventors listed.
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
09/13/1988
RPI 934
04/12/1983
RPI 651
#17.1
12/14/1982
RPI 634
#13.1
02/02/1982
RPI 589
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