Concessão da patente
#16.1
10/01/1985
RPI 780
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: 10/01/1985. We update with every new RPI gazette, published weekly.
Applicants
B. B. (pessoa física)
Inventors
B. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/01/1985
RPI 780
05/07/1985
RPI 759
#13.1
04/09/1985
RPI 755
#9.1
12/11/1984
RPI 738
#6.1
06/12/1984
RPI 712
#4.1
09/06/1983
RPI 672
#3.1
07/06/1982
RPI 611
#21.1
12/07/1993
RPI 1201
Same category
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