Concessão da patente
#16.1
03/27/1984
RPI 701
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: 03/27/1984. We update with every new RPI gazette, published weekly.
Applicants
F. D. (pessoa física)
Inventors
D. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/27/1984
RPI 701
#13.1
11/22/1983
RPI 683
#9.1
07/26/1983
RPI 666
03/22/1983
RPI 648
#4.1
03/23/1982
RPI 596
#21.1
05/24/1994
RPI 1225
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.