Solicitação de exame técnico
#4.1
05/20/1986
RPI 813
Application data
Number
PI8500852Type
Filing
Publication
The patent was granted on 08/27/1991 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: 05/20/1986. We update with every new RPI gazette, published weekly.
Applicants
E.I. Du Pont de Nemours and Company
US
Inventors
H. I. (pessoa física)
US
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