Concessão da patente
#16.1
01/26/1988
RPI 901
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: 01/26/1988. We update with every new RPI gazette, published weekly.
Applicants
D. L. (pessoa física)
Inventors
L. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
01/26/1988
RPI 901
#13.1
11/24/1987
RPI 892
#9.1
07/21/1987
RPI 874
#6.1
01/06/1987
RPI 846
#5.1
05/06/1986
RPI 811
#4.1
02/25/1986
RPI 801
#3.1
01/15/1985
RPI 743
#2.1
07/12/1983
RPI 664
#21.1
12/07/1993
RPI 1201
Same category
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