Concessão da patente
#16.1
03/28/1989
RPI 962
Application data
Number
PI8104607Type
Filing
Publication
The letters patent expired on 10/08/1996: 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: 03/28/1989. We update with every new RPI gazette, published weekly.
Applicants
E.I. Du Pont de Nemours and Company
US
Inventors
C. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/28/1989
RPI 962
#13.1
11/29/1988
RPI 945
#9.1
08/02/1988
RPI 928
#6.1
12/08/1987
RPI 894
#7.1
12/26/1984
RPI 740
#4.1
05/15/1984
RPI 708
#3.1
04/06/1982
RPI 598
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C09D 3/80; C09D 163/00.
03/27/2018
RPI 2464
#21.1
10/08/1996
RPI 1349
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.