Concessão da patente
#16.1
03/25/1986
RPI 805
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: 03/25/1986. We update with every new RPI gazette, published weekly.
Applicants
HUZIMET ACOS ESPECIAIS LTDA [BR]
Inventors
A. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/25/1986
RPI 805
11/05/1985
RPI 785
#12.1
02/20/1985
RPI 748
#9.1
10/23/1984
RPI 731
05/29/1984
RPI 710
#4.1
10/04/1983
RPI 676
#3.1
05/03/1983
RPI 654
#2.1
11/10/1981
RPI 577
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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