Pedido de patente depositado
#2.1
10/24/1989
RPI 992
Application data
Number
PI8903269Type
Filing
Publication
The letters patent expired on 05/21/2013: 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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
Inland Steel Company
US
Inventors
M. H. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
10/24/1989
RPI 992
#21.1
Patente extinta em 03/07/2009
05/21/2013
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06/24/1997
RPI 1386
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10/01/1996
RPI 1348
03/19/1996
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02/26/1991
RPI 1056
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11/13/1990
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