20.7
09/04/1984
RPI 724
The letters patent expired on 12/07/1993: 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: 09/04/1984. We update with every new RPI gazette, published weekly.
Applicants
AMEROPLAST INDÚSTRIA DE PLÁSTICOS LTDA
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
09/04/1984
RPI 724
#16.1
02/22/1983
RPI 644
#13.1
10/05/1982
RPI 624
#9.1
06/22/1982
RPI 609
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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