Solicitação de exame técnico
#4.1
03/19/1985
RPI 752
Application data
Number
PI8403857Type
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: 03/19/1985. We update with every new RPI gazette, published weekly.
Applicants
A. G. (pessoa física)
SP, BR
Inventors
A. G. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
03/19/1985
RPI 752
#3.2
12/04/1984
RPI 737
#2.1
10/09/1984
RPI 729
#15.11
A classificação anterior era: D04H 1/48.
08/28/2012
RPI 2173
#21.1
Patente extinta em 02/02/99
07/08/2008
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05/25/1993
RPI 1173
#13.1
12/29/1992
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08/04/1992
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10/22/1991
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Same category
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