Solicitação de exame técnico
#4.1
03/08/1988
RPI 907
Application data
Number
PI8503459Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 03/08/1988. We update with every new RPI gazette, published weekly.
Applicants
BP Chemicals Limited
GB
Inventors
J. U. (pessoa física)
FR
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
03/08/1988
RPI 907
#3.1
04/15/1986
RPI 808
#2.1
09/24/1985
RPI 779
#21.1
Patente extinta em 19/07/2000
07/15/2008
RPI 1958
#16.1
06/30/1992
RPI 1126
#13.1
02/04/1992
RPI 1105
#15.11
11/05/1991
RPI 1092
#9.1
10/01/1991
RPI 1087
#6.1
01/02/1991
RPI 1048
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.