Solicitação de exame técnico
#4.1
06/21/1988
RPI 922
Application data
Number
PI8601339Type
Filing
Publication
The patent was granted on 04/28/1992 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: 06/21/1988. We update with every new RPI gazette, published weekly.
Applicants
E.I. Du Pont de Nemours and Company
US
Inventors
L. V. (pessoa física)
NL
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