Solicitação de exame técnico
#4.1
09/02/1986
RPI 828
Application data
Number
PI8404829Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 09/02/1986. We update with every new RPI gazette, published weekly.
Applicants
A. L. (pessoa física)
SP, BR
Inventors
A. L. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/02/1986
RPI 828
#3.1
04/29/1986
RPI 810
#2.1
12/04/1984
RPI 737
#21.1
Patente extinta em 20/09/99
07/08/2008
RPI 1957
#16.1
08/25/1992
RPI 1134
#13.1
03/03/1992
RPI 1109
#9.1
10/22/1991
RPI 1090
#6.1
04/02/1991
RPI 1061
From the same holder
Same category
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