18.1
03/04/1987
RPI 854
The letters patent expired on 08/03/1993: 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: 03/04/1987. We update with every new RPI gazette, published weekly.
Applicants
SICO INC
Inventors
B. R. (pessoa física)
G. P. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
03/04/1987
RPI 854
#16.1
02/24/1982
RPI 592
#21.1
08/03/1993
RPI 1183
06/04/1991
RPI 1070
09/04/1990
RPI 1031
From the same holder
Same category
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