Carta-patente expirada
#21.1
Patente extinta em 28/03/2011
06/11/2013
RPI 2214
Application data
Number
PI9105726Type
Filing
Publication
PCT
US1991002191 The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.
Applicants
Chaparral Investments, Inc.
US
Chaparral Steel Company
US
Chaparral Steel Investments, Inc.
US
Inventors
G. F. (pessoa física)
US
L. R. (pessoa física)
US
L. S. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 28/03/2011
06/11/2013
RPI 2214
#25.4
Alterado de: Chaparral Investments, Inc.
03/06/2007
RPI 1887
#25.4
Alterado de: Chaparral Steel Company
02/21/2007
RPI 1885
#16.1
02/23/1999
RPI 1468
#9.1
09/22/1998
RPI 1448
#4.1
11/23/1993
RPI 1199
#1.3
05/19/1992
RPI 1120
Same category
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