22.9
05/31/1983
RPI 658
The letters patent expired on 07/20/1993: 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: 05/31/1983. We update with every new RPI gazette, published weekly.
Applicants
POLYPLASTICS CO
Inventors
O. T. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
05/31/1983
RPI 658
#16.1
03/29/1983
RPI 649
#13.1
02/01/1983
RPI 641
#9.1
09/28/1982
RPI 623
#6.1
03/09/1982
RPI 594
#21.1
07/20/1993
RPI 1181
From the same holder
Same category
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