Carta-patente expirada
#21.1
Patente extinta em 14/08/2010
01/29/2013
RPI 2195
Application data
Number
PI9006887Type
Filing
Publication
PCT
US1990004583 The letters patent expired on 01/29/2013: 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: 01/29/2013. We update with every new RPI gazette, published weekly.
Applicants
Aluminum Company Of America
US
Inventors
J. S. (pessoa física)
US
R. J. (pessoa física)
US
T. R. (pessoa física)
US
W. A. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 14/08/2010
01/29/2013
RPI 2195
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09/23/1997
RPI 1399
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03/04/1997
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12/12/1995
RPI 1306
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03/07/1995
RPI 1266
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04/13/1993
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01/28/1992
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