Solicitação de exame técnico
#4.1
12/22/1987
RPI 896
Application data
Number
PI8506275Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 12/22/1987. We update with every new RPI gazette, published weekly.
Applicants
E.I. Du Pont de Nemours and Company
US
Inventors
F. F. (pessoa física)
US
H. L. (pessoa física)
US
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