Pedido de patente depositado
#2.1
10/24/1989
RPI 992
Application data
Number
PI8903251Type
Filing
Publication
The letters patent expired on 12/26/2012: 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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
E.I. Du Pont de Nemours and Company
US
Inventors
J. J. (pessoa física)
US
M. T. (pessoa física)
US
R. B. (pessoa física)
US
S. V. (pessoa física)
US
W. J. (pessoa física)
US
IPC Classification
Priority claims
US
213.741 · 06/30/1988
US
358.811 · 06/05/1989
Publications in the Brazilian Industrial Property Gazette (RPI).
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10/24/1989
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