Carta-patente expirada
#21.1
Patente extinta em 11/04/2010
01/08/2013
RPI 2192
Application data
Number
PI9001724Type
Filing
Publication
The letters patent expired on 01/08/2013: 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: 01/08/2013. 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
IPC Classification
Priority claims
DE
P 39 12 521.1 · 04/14/1989
Publications in the Brazilian Industrial Property Gazette (RPI).
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Patente extinta em 11/04/2010
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RPI 2192
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