Concessão da patente
#16.1
06/25/1985
RPI 766
The letters patent expired on 05/02/1995: 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: 06/25/1985. We update with every new RPI gazette, published weekly.
Applicants
TOSCO CORP
Inventors
V. R. (pessoa física)
W. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/25/1985
RPI 766
#13.1
04/16/1985
RPI 756
#9.1
12/26/1984
RPI 740
#6.1
09/20/1983
RPI 674
#6.1
02/16/1983
RPI 643
#21.1
05/02/1995
RPI 1274
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Same category
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