Pedido de licença compulsória
#20.1
12/30/1986
RPI 845
The letters patent expired on 07/20/1993: 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: 12/30/1986. We update with every new RPI gazette, published weekly.
Applicants
I. W. (pessoa física)
Inventors
E. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
12/30/1986
RPI 845
#17.2
04/02/1985
RPI 754
#17.1
01/08/1985
RPI 742
03/20/1984
RPI 700
#16.1
12/27/1983
RPI 688
07/26/1983
RPI 666
#12.1
11/16/1982
RPI 630
#9.1
07/13/1982
RPI 612
#6.1
11/24/1981
RPI 579
#21.1
07/20/1993
RPI 1181
06/25/1991
RPI 1073
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.