Solicitação de exame técnico
#4.1
05/05/1987
RPI 863
Application data
Number
PI8504712Type
Filing
Publication
The patent was granted on 05/28/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 05/05/1987. We update with every new RPI gazette, published weekly.
Applicants
DU PONT [US]
Inventors
C. N. (pessoa física)
H. L. (pessoa física)
NL
IPC Classification
Priority claims
NL
8402949 · 09/27/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
05/05/1987
RPI 863
#3.1
07/22/1986
RPI 822
#2.1
12/03/1985
RPI 789
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: H01R 13/58; H01R 23/02; H01R 4/24.
03/20/2018
RPI 2463
#18.2
09/19/1995
RPI 1294
#16.1
05/28/1991
RPI 1069
#13.1
01/29/1991
RPI 1052
#9.1
10/16/1990
RPI 1037
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.