Concessão da patente
#16.1
02/28/1984
RPI 697
The letters patent expired on 05/16/1995: 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: 02/28/1984. We update with every new RPI gazette, published weekly.
Applicants
DU PONT
Inventors
B. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/28/1984
RPI 697
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12/06/1983
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RPI 669
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RPI 1276
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