16.4
03/26/1985
RPI 753
The letters patent expired on 11/21/1995: 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: 03/26/1985. We update with every new RPI gazette, published weekly.
Applicants
E. C. (pessoa física)
US
Inventors
B. E. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
03/26/1985
RPI 753
#13.1
10/23/1984
RPI 731
#9.1
06/26/1984
RPI 714
#6.1
11/08/1983
RPI 681
#21.1
11/21/1995
RPI 1303
From the same holder
Same category
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