Concessão da patente
#16.1
10/29/1985
RPI 784
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: 10/29/1985. We update with every new RPI gazette, published weekly.
Applicants
B. L. (pessoa física)
Inventors
B. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/29/1985
RPI 784
#13.1
07/30/1985
RPI 771
#9.1
04/09/1985
RPI 755
#15.11
12/11/1984
RPI 738
#6.1
08/28/1984
RPI 723
#4.1
06/21/1983
RPI 661
#3.1
11/03/1982
RPI 628
#21.1
12/07/1993
RPI 1201
Same category
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