Carta-patente expirada
#21.1
Patente extinta em 15/11/2004
12/29/2009
RPI 2034
Application data
Number
PI8907786Type
Filing
Publication
PCT
US1989005250 The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.
Applicants
ASH Grove Cement Company
US
Cadence Environmental Energy,Inc
US
Cadense Environmental Energy, Inc
US
Inventors
E. H. (pessoa física)
US
M. B. (pessoa física)
US
T. R. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 15/11/2004
12/29/2009
RPI 2034
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