Pedido de certificado de adição de invenção
#5.1
09/08/1987
RPI 881
Application data
Number
PI8603467Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 09/08/1987. We update with every new RPI gazette, published weekly.
Applicants
Inland Steel Company
US
Inventors
N. O. (pessoa física)
JP
S. K. (pessoa física)
JP
T. I. (pessoa física)
JP
Y. I. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#5.1
09/08/1987
RPI 881
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03/04/1987
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12/16/1986
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#21.1
Patente extinta em 23/07/2001
07/22/2008
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#16.1
03/25/1997
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#13.1
09/17/1996
RPI 1346
07/02/1996
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#12.1
03/01/1995
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11/29/1994
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06/21/1994
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07/09/1991
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