Carta-patente expirada
#21.1
Patente extinta em 25/10/2004
12/29/2009
RPI 2034
Application data
Number
PI8905440Type
Filing
Publication
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
E.I. Du Pont de Nemours and Company
US
H. A. (pessoa física)
DE
Inventors
J. A. (pessoa física)
DE
J. W. (pessoa física)
DE
S. R. (pessoa física)
FR
W. G. (pessoa física)
DE
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 25/10/2004
12/29/2009
RPI 2034
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RPI 1361
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03/19/1996
RPI 1320
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08/01/1995
RPI 1287
#4.1
07/27/1993
RPI 1182
#3.1
04/30/1991
RPI 1065
#2.1
03/01/1990
RPI 1007
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