Pedido de licença compulsória
#20.1
11/01/1988
RPI 941
The letters patent expired on 11/22/1994: 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: 11/01/1988. We update with every new RPI gazette, published weekly.
Applicants
LUCIO FERNANDES BARBOSA [BR]
Inventors
B. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
11/01/1988
RPI 941
#16.1
04/26/1988
RPI 914
#15.11
12/22/1987
RPI 896
#13.1
12/01/1987
RPI 893
#9.1
08/11/1987
RPI 877
#6.1
12/30/1986
RPI 845
#4.1
05/27/1986
RPI 814
#3.1
02/18/1986
RPI 800
#2.1
09/11/1984
RPI 725
#21.1
11/22/1994
RPI 1251
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.