Solicitação de exame técnico
#4.1
05/17/1988
RPI 917
Application data
Number
PI8503262Type
Filing
Publication
The patent was granted on 03/30/1993 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: 05/17/1988. We update with every new RPI gazette, published weekly.
Applicants
E.I. Du Pont de Nemours and Company
US
Inventors
S. M. (pessoa física)
US
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