Concessão da patente
#16.1
07/25/1989
RPI 979
The letters patent expired on 10/03/1995: 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: 07/25/1989. We update with every new RPI gazette, published weekly.
Applicants
ALCAN BRASIL [BR]
Inventors
A. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/25/1989
RPI 979
#13.1
02/21/1989
RPI 957
#15.11
11/22/1988
RPI 944
#9.1
11/01/1988
RPI 941
#4.1
11/17/1987
RPI 891
#3.1
03/24/1987
RPI 857
#2.1
10/22/1985
RPI 783
#21.1
10/03/1995
RPI 1296
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.