Concessão da patente
#16.1
06/02/1987
RPI 867
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: 06/02/1987. We update with every new RPI gazette, published weekly.
Applicants
G. B. (pessoa física)
Inventors
B. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/02/1987
RPI 867
01/21/1987
RPI 848
#12.2
05/06/1986
RPI 811
10/15/1985
RPI 782
#9.2
06/25/1985
RPI 766
#15.11
06/18/1985
RPI 765
#4.1
11/29/1983
RPI 684
#3.2
09/20/1983
RPI 674
#2.1
03/08/1983
RPI 646
#21.1
12/07/1993
RPI 1201
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