Solicitação de exame técnico
#4.1
09/13/1988
RPI 934
Application data
Number
PI8700872Type
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: 09/13/1988. We update with every new RPI gazette, published weekly.
Applicants
P. F. (pessoa física)
RJ, BR
Inventors
P. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/13/1988
RPI 934
#3.2
11/03/1987
RPI 889
#2.1
06/16/1987
RPI 869
#21.1
Patente extinta em 24/02/2002
07/29/2008
RPI 1960
#16.1
10/30/1990
RPI 1039
#13.1
08/21/1990
RPI 1029
#9.1
04/24/1990
RPI 1015
From the same holder
Same category
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