Cessão de direito de exploração
#22.1
09/02/1986
RPI 828
The letters patent expired on 08/25/1992: 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: 09/02/1986. We update with every new RPI gazette, published weekly.
Applicants
S. T. (pessoa física)
FR
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
09/02/1986
RPI 828
#16.1
01/26/1982
RPI 588
#21.1
08/25/1992
RPI 1134
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.