Solicitação de exame técnico
#4.1
11/14/1989
RPI 995
Application data
Number
PI8804504Type
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: 11/14/1989. We update with every new RPI gazette, published weekly.
Applicants
Hoogovens Groep B.V
NL
Inventors
E. P. (pessoa física)
NL
H. H. (pessoa física)
NL
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/14/1989
RPI 995
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#2.1
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#21.1
Patente extinta em 01/09/2008
05/21/2013
RPI 2211
#16.1
08/26/1997
RPI 1395
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10/01/1996
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