Exigência - art. 36 da LPI
#6.1
04/25/1989
RPI 966
Application data
Number
PI8506411Type
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: 04/25/1989. We update with every new RPI gazette, published weekly.
Applicants
Cia. Aços Especiais Itabira - ACESITA
MG, BR
Inventors
A. B. (pessoa física)
BR
J. R. (pessoa física)
BR
T. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#6.1
04/25/1989
RPI 966
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RPI 884
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06/30/1987
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03/04/1986
RPI 802
#21.1
Patente extinta em 06/12/2000
07/15/2008
RPI 1958
#16.1
02/26/1991
RPI 1056
11/13/1990
RPI 1041
#13.1
06/19/1990
RPI 1023
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03/01/1990
RPI 1007
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