Concessão da patente
#16.1
10/27/1987
RPI 888
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: 10/27/1987. We update with every new RPI gazette, published weekly.
Applicants
MAQUINAS CERAMICAS DAVID LTDA [BR]
Inventors
D. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/27/1987
RPI 888
#13.1
06/23/1987
RPI 870
#9.1
01/06/1987
RPI 846
#6.1
05/20/1986
RPI 813
#4.1
02/21/1984
RPI 696
#3.2
10/18/1983
RPI 678
#2.1
08/09/1983
RPI 668
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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