Concessão da patente
#16.1
04/24/1984
RPI 705
The letters patent expired on 05/24/1994: 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: 04/24/1984. We update with every new RPI gazette, published weekly.
Applicants
OXON ITALIA SPA
Inventors
N. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/24/1984
RPI 705
#13.1
02/28/1984
RPI 697
#9.1
11/08/1983
RPI 681
#6.1
03/01/1983
RPI 645
#4.1
06/22/1982
RPI 609
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 155/02; C07D 295/20.
03/27/2018
RPI 2464
#21.1
05/24/1994
RPI 1225
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.