Concessão da patente
#16.1
06/30/1987
RPI 871
Application data
Number
PI8200329Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 06/30/1987. We update with every new RPI gazette, published weekly.
Applicants
P C U K Produits Chimiques Ugine Kuhlmann
FR
Inventors
J. C. (pessoa física)
FR
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/30/1987
RPI 871
#9.1
09/30/1986
RPI 832
#6.1
09/17/1985
RPI 778
#6.1
07/10/1984
RPI 716
#4.1
03/15/1983
RPI 647
#3.1
11/23/1982
RPI 631
#2.1
03/16/1982
RPI 595
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: D06L 1/14; D06L 3/08.
03/27/2018
RPI 2464
#21.1
Patente extinta em 22/01/97
07/01/2008
RPI 1956
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.