Concessão da patente
#16.1
07/25/1989
RPI 979
The letters patent expired on 05/16/1995: 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: 07/25/1989. We update with every new RPI gazette, published weekly.
Applicants
R. U. (pessoa física)
Inventors
C. P. (pessoa física)
J. R. (pessoa física)
P. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/25/1989
RPI 979
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01/24/1989
RPI 953
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10/04/1988
RPI 937
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03/08/1988
RPI 907
#6.1
06/30/1987
RPI 871
01/11/1983
RPI 638
#4.1
06/22/1982
RPI 609
#21.1
05/16/1995
RPI 1276
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