Concessão da patente
#16.1
05/31/1988
RPI 919
Application data
Number
PI8201952Type
Filing
Publication
The patent was granted on 05/31/1988 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: 05/31/1988. We update with every new RPI gazette, published weekly.
Applicants
E.I. Du Pont de Nemours and Company
US
Inventors
B. A. (pessoa física)
US
IPC Classification
Priority claims
US
252.883 · 04/10/1981
US
350.841 · 02/25/1982
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