Concessão da patente
#16.1
08/27/1985
RPI 775
The letters patent expired on 09/26/1995: 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: 08/27/1985. We update with every new RPI gazette, published weekly.
Applicants
E.I. Du Pont de Nemours and Company
US
Inventors
P. T. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/27/1985
RPI 775
#13.1
07/09/1985
RPI 768
#9.1
03/19/1985
RPI 752
#6.1
07/17/1984
RPI 717
#7.1
11/16/1983
RPI 682
#4.1
05/17/1983
RPI 656
#21.1
09/26/1995
RPI 1295
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Same category
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