Cessão de direito de exploração
#22.1
11/13/1984
RPI 734
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: 11/13/1984. We update with every new RPI gazette, published weekly.
Applicants
A. D. (pessoa física)
Inventors
M. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
11/13/1984
RPI 734
#16.1
10/26/1982
RPI 627
04/13/1982
RPI 599
#13.1
11/03/1981
RPI 576
#21.1
07/20/1993
RPI 1181
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.