Concessão da patente
#16.1
08/26/1986
RPI 827
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: 08/26/1986. We update with every new RPI gazette, published weekly.
Applicants
No applicants.
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/26/1986
RPI 827
#13.1
06/24/1986
RPI 818
#9.1
02/12/1986
RPI 799
#6.1
07/23/1985
RPI 770
06/25/1985
RPI 766
#6.1
07/10/1984
RPI 716
#7.1
07/12/1983
RPI 664
#4.1
01/11/1983
RPI 638
#21.1
12/07/1993
RPI 1201
Same category
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