Publicação do pedido de patente
#3.1
01/26/1988
RPI 901
Application data
Number
PI8701550Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 01/26/1988. We update with every new RPI gazette, published weekly.
Applicants
E.I. Du Pont de Nemours and Company
US
Inventors
E. B. (pessoa física)
US
J. B. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
01/26/1988
RPI 901
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07/14/1987
RPI 873
#21.1
Patente extinta em 03/04/2002
07/29/2008
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11/24/1992
RPI 1147
#13.1
07/28/1992
RPI 1130
#9.1
03/03/1992
RPI 1109
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09/18/1990
RPI 1033
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