Solicitação de exame técnico
#4.1
08/19/1986
RPI 826
Application data
Number
PI8402990Type
Filing
Publication
The patent was granted on 02/13/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 08/19/1986. We update with every new RPI gazette, published weekly.
Applicants
E.I. Du Pont de Nemours and Company
US
Inventors
F. M. (pessoa física)
US
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