Solicitação de exame técnico
#4.1
09/13/1988
RPI 934
Application data
Number
PI8406587Type
Filing
Publication
The application was allowed on 10/22/1991 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.
Talk to a specialistLatest action published by the INPI: 09/13/1988. We update with every new RPI gazette, published weekly.
Applicants
E.I. Du Pont de Nemours and Company
US
Inventors
A. W. (pessoa física)
US
H. H. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/13/1988
RPI 934
#3.1
07/01/1986
RPI 819
#2.1
03/12/1985
RPI 751
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era C09D 3/80.
03/27/2018
RPI 2464
#11.4
09/29/1992
RPI 1139
#13.1
03/03/1992
RPI 1109
#9.1
10/22/1991
RPI 1090
#15.11
10/15/1991
RPI 1089
#6.1
03/05/1991
RPI 1057
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.