20.7
10/08/1985
RPI 781
The letters patent expired on 05/09/1995: 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: 10/08/1985. We update with every new RPI gazette, published weekly.
Applicants
E. C. (pessoa física)
US
Inventors
U. J. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
10/08/1985
RPI 781
#16.1
05/29/1984
RPI 710
#13.1
03/20/1984
RPI 700
#9.1
11/16/1983
RPI 682
#6.1
04/12/1983
RPI 651
#4.1
09/21/1982
RPI 622
#21.1
05/09/1995
RPI 1275
From the same holder
Same category
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