6.2
05/09/1989
RPI 968
Application data
Number
PI8503608Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 05/09/1989. We update with every new RPI gazette, published weekly.
Applicants
T. D. (pessoa física)
IT
Inventors
E. Z. (pessoa física)
IT
Publications in the Brazilian Industrial Property Gazette (RPI).
05/09/1989
RPI 968
#4.1
04/26/1988
RPI 914
#3.1
04/29/1986
RPI 810
#2.1
10/08/1985
RPI 781
#21.1
Patente extinta em 30/07/2000
07/15/2008
RPI 1958
#16.1
03/26/1991
RPI 1060
#13.1
12/11/1990
RPI 1045
#9.1
08/28/1990
RPI 1030
#6.1
04/10/1990
RPI 1013
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Same category
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