Solicitação de exame técnico
#4.1
02/14/1989
RPI 956
Application data
Number
PI8701428Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 02/14/1989. We update with every new RPI gazette, published weekly.
Applicants
R. T. (pessoa física)
RS, BR
R. T. (pessoa física)
RS, BR
Inventors
R. T. (pessoa física)
BR
R. T. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
02/14/1989
RPI 956
#3.1
09/20/1988
RPI 935
#2.1
07/07/1987
RPI 872
#21.1
Patente extinta em 16/03/2002
07/29/2008
RPI 1960
#16.1
02/13/1991
RPI 1054
#13.1
08/21/1990
RPI 1029
#9.1
04/24/1990
RPI 1015
From the same holder
Same category
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