20.4
11/21/1989
RPI 996
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: 11/21/1989. We update with every new RPI gazette, published weekly.
Applicants
PLASTICOS ELDORADO LTD
Inventors
B. I. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/21/1989
RPI 996
08/12/1986
RPI 825
07/29/1986
RPI 823
#16.1
06/28/1983
RPI 662
#13.1
05/10/1983
RPI 655
#9.1
11/30/1982
RPI 632
#21.1
12/07/1993
RPI 1201
Same category
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