Concessão da patente
#16.1
10/27/1987
RPI 888
The letters patent expired on 10/04/1994: 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: 10/27/1987. We update with every new RPI gazette, published weekly.
Applicants
IMPROBEL IND DE PRODUTOS DE BE [BR]
Inventors
W. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/27/1987
RPI 888
#13.1
06/09/1987
RPI 868
#9.1
01/06/1987
RPI 846
#15.11
04/01/1986
RPI 806
#6.1
03/25/1986
RPI 805
#4.1
07/02/1985
RPI 767
#3.2
10/02/1984
RPI 728
#2.1
07/17/1984
RPI 717
#21.1
10/04/1994
RPI 1244
From the same holder
Same category
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