Concessão da patente
#16.1
06/30/1987
RPI 871
The patent was granted on 06/30/1987 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: 06/30/1987. We update with every new RPI gazette, published weekly.
Applicants
Alcan Research and Development Limited
CA
Inventors
B. J. (pessoa física)
R. J. (pessoa física)
W. G. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/30/1987
RPI 871
#15.11
04/28/1987
RPI 862
#13.1
03/10/1987
RPI 855
#9.1
10/14/1986
RPI 834
#6.1
10/01/1985
RPI 780
#6.1
02/21/1984
RPI 696
#4.1
09/21/1982
RPI 622
#18.2
08/02/1994
RPI 1235
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.