Pedido de licença compulsória
#20.1
01/22/1985
RPI 744
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: 01/22/1985. We update with every new RPI gazette, published weekly.
Applicants
T. Y. (pessoa física)
Inventors
T. Y. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
01/22/1985
RPI 744
#16.1
04/24/1984
RPI 705
#13.1
01/24/1984
RPI 692
#9.1
10/11/1983
RPI 677
#6.1
05/03/1983
RPI 654
#4.1
07/20/1982
RPI 613
#3.1
05/04/1982
RPI 602
#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.