Carta-patente expirada
#21.1
11/08/1988
RPI 942
The letters patent expired on 11/08/1988: 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: 11/08/1988. We update with every new RPI gazette, published weekly.
Applicants
V. C. (pessoa física)
Inventors
A. M. (pessoa física)
S. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
11/08/1988
RPI 942
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11/29/1983
RPI 684
#13.1
08/02/1983
RPI 667
#9.1
03/29/1983
RPI 649
#4.1
06/01/1982
RPI 606
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