Pedido de licença compulsória
#20.1
12/18/1984
RPI 739
The letters patent expired on 12/07/1993: 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: 12/18/1984. We update with every new RPI gazette, published weekly.
Applicants
D. I. (pessoa física)
Inventors
I. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
12/18/1984
RPI 739
05/15/1984
RPI 708
#16.1
02/28/1984
RPI 697
#13.1
12/20/1983
RPI 687
#9.1
08/30/1983
RPI 671
#5.1
11/16/1982
RPI 630
#4.1
06/01/1982
RPI 606
#3.1
11/24/1981
RPI 579
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.