Concessão da patente
#16.1
01/10/1989
RPI 951
Application data
Number
PI8302890Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 01/10/1989. We update with every new RPI gazette, published weekly.
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
01/10/1989
RPI 951
08/30/1988
RPI 932
#13.1
06/21/1988
RPI 922
#9.1
03/01/1988
RPI 906
#6.1
05/19/1987
RPI 865
#4.1
05/13/1986
RPI 812
#3.1
01/24/1984
RPI 692
#21.1
Patente extinta em 27/05/98
08/19/2008
RPI 1963
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