Concessão da patente
#16.1
09/29/1987
RPI 884
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: 09/29/1987. 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
09/29/1987
RPI 884
#13.1
03/17/1987
RPI 856
01/21/1987
RPI 848
#12.2
07/15/1986
RPI 821
#9.2
02/18/1986
RPI 800
#7.1
04/09/1985
RPI 755
#4.1
02/21/1984
RPI 696
#3.1
03/09/1982
RPI 594
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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