Concessão da patente
#16.1
02/28/1984
RPI 697
The letters patent expired on 04/18/1995: 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: 02/28/1984. We update with every new RPI gazette, published weekly.
Applicants
N. G. (pessoa física)
Inventors
N. G. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/28/1984
RPI 697
#13.1
11/08/1983
RPI 681
#9.1
07/05/1983
RPI 663
#15.11
02/08/1983
RPI 642
#21.1
04/18/1995
RPI 1272
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.