Concessão da patente
#16.1
09/27/1988
RPI 936
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: 09/27/1988. 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
09/27/1988
RPI 936
#13.1
05/17/1988
RPI 917
02/17/1988
RPI 904
08/25/1987
RPI 879
#12.1
05/05/1987
RPI 863
#9.1
01/06/1987
RPI 846
#6.1
07/29/1986
RPI 823
#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
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