Carta-patente expirada
#21.1
Patente extinta em 27/04/2005
06/15/2010
RPI 2058
Application data
Number
PI9007333Type
Filing
Publication
PCT
CA1990000140 The letters patent expired on 06/15/2010: 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: 06/15/2010. We update with every new RPI gazette, published weekly.
Applicants
R. Guthrie Research Associates Inc.
CA
Sumitomo Metal Industries, Ltd
JP
Inventors
H. N. (pessoa física)
JP
R. G. (pessoa física)
CA
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 27/04/2005
06/15/2010
RPI 2058
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03/19/1996
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RPI 1273
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11/22/1994
RPI 1251
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04/21/1992
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