18.1
07/04/1989
RPI 976
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: 07/04/1989. We update with every new RPI gazette, published weekly.
Applicants
ALUSUISSE [CH]
Inventors
D. J. (pessoa física)
G. T. (pessoa física)
P. R. (pessoa física)
P. M. (pessoa física)
Y. J. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
07/04/1989
RPI 976
#16.1
01/26/1982
RPI 588
#21.1
08/03/1993
RPI 1183
03/31/1992
RPI 1113
From the same holder
Same category
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