Cessão de direito de exploração
#22.1
04/15/1986
RPI 808
The letters patent expired on 12/14/1993: 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: 04/15/1986. We update with every new RPI gazette, published weekly.
Applicants
ANSALDO SA
Inventors
C. C. (pessoa física)
R. P. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
04/15/1986
RPI 808
02/07/1984
RPI 694
11/08/1983
RPI 681
11/01/1983
RPI 680
#16.1
02/22/1983
RPI 644
#13.1
12/28/1982
RPI 636
#9.1
08/10/1982
RPI 616
#6.1
01/12/1982
RPI 586
#21.1
12/14/1993
RPI 1202
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.