Concessão da patente
#16.1
04/24/1984
RPI 705
The letters patent expired on 06/21/1994: 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
N. H. (pessoa física)
Inventors
N. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/24/1984
RPI 705
#13.1
01/31/1984
RPI 693
#9.1
10/18/1983
RPI 678
#6.1
03/22/1983
RPI 648
#4.1
08/17/1982
RPI 617
#21.1
06/21/1994
RPI 1229
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.