Pedido de licença compulsória
#20.1
07/18/1989
RPI 978
The letters patent expired on 05/03/1994: 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: 07/18/1989. We update with every new RPI gazette, published weekly.
Applicants
F. O. (pessoa física)
Inventors
F. O. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
07/18/1989
RPI 978
#16.1
04/26/1983
RPI 653
11/30/1982
RPI 632
#12.1
06/15/1982
RPI 608
#9.1
02/24/1982
RPI 592
#21.1
05/03/1994
RPI 1222
10/20/1992
RPI 1142
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.