Solicitação de exame técnico
#4.1
10/31/1989
RPI 993
Application data
Number
PI8802260Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
Inland Steel Company
US
Inventors
D. J. (pessoa física)
US
G. M. (pessoa física)
US
H. P. (pessoa física)
US
J. M. (pessoa física)
US
J. K. (pessoa física)
US
R. G. (pessoa física)
US
W. K. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
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10/31/1989
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Patente extinta em 09/05/2003
09/02/2008
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#16.1
02/27/1996
RPI 1317
#13.1
11/07/1995
RPI 1301
#9.1
06/27/1995
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11/29/1994
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