Cessão de direito de exploração
#22.1
02/26/1985
RPI 749
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: 02/26/1985. We update with every new RPI gazette, published weekly.
Applicants
R. S. (pessoa física)
Inventors
R. S. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
02/26/1985
RPI 749
#16.1
02/28/1984
RPI 697
#13.1
11/08/1983
RPI 681
#9.1
07/05/1983
RPI 663
#6.1
12/07/1982
RPI 633
#6.1
03/16/1982
RPI 595
#21.1
12/07/1993
RPI 1201
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.