16.3
03/30/1982
RPI 597
The letters patent expired on 07/27/1993: 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: 03/30/1982. We update with every new RPI gazette, published weekly.
Applicants
EURAFRICA SRL SOC PER RICH ELE
Inventors
G. R. (pessoa física)
R. N. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
03/30/1982
RPI 597
#16.1
12/29/1981
RPI 584
#21.1
07/27/1993
RPI 1182
#20.1
04/24/1990
RPI 1015
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.