Concessão da patente
#16.1
04/26/1988
RPI 914
The patent was granted on 04/26/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 04/26/1988. We update with every new RPI gazette, published weekly.
Applicants
Alcoa Alumínio S/A
MG, BR
Inventors
M. M. (pessoa física)
N. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/26/1988
RPI 914
#13.1
12/01/1987
RPI 893
#9.1
08/11/1987
RPI 877
#6.1
01/13/1987
RPI 847
#4.1
05/27/1986
RPI 814
#3.1
12/03/1985
RPI 789
#2.1
07/03/1984
RPI 715
#18.2
03/10/1992
RPI 1110
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.