Cessão de direito de exploração
#22.1
08/19/1986
RPI 826
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: 08/19/1986. We update with every new RPI gazette, published weekly.
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
08/19/1986
RPI 826
#16.1
02/28/1984
RPI 697
#13.1
11/29/1983
RPI 684
#9.1
08/09/1983
RPI 668
07/12/1983
RPI 664
#6.1
01/25/1983
RPI 640
#6.1
03/02/1982
RPI 593
#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.