18.8
02/28/1989
RPI 958
The letters patent expired on 07/27/1993: 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: 02/28/1989. We update with every new RPI gazette, published weekly.
Applicants
R. U. (pessoa física)
Inventors
C. P. (pessoa física)
M. J. (pessoa física)
W. J. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
02/28/1989
RPI 958
#18.2
01/17/1989
RPI 952
#16.1
11/29/1983
RPI 684
#13.1
09/06/1983
RPI 672
#9.1
04/19/1983
RPI 652
#6.1
11/03/1982
RPI 628
04/27/1982
RPI 601
#6.1
04/13/1982
RPI 599
#21.1
07/27/1993
RPI 1182
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Same category
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