Carta-patente expirada
#21.1
Patente extinta em 06/01/2009
12/18/2012
RPI 2189
Application data
Number
PI8907191Type
Filing
Publication
PCT
US1989000054 The letters patent expired on 12/18/2012: 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: 12/18/2012. We update with every new RPI gazette, published weekly.
Applicants
USX Engineers And Consultants, Inc
US
Inventors
C. K. (pessoa física)
US
E. B. (pessoa física)
US
L. P. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 06/01/2009
12/18/2012
RPI 2189
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12/29/1998
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09/15/1998
RPI 1447
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01/06/1998
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09/17/1991
RPI 1085
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03/05/1991
RPI 1057
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