Publicação do pedido de patente
#3.1
11/14/1989
RPI 995
Application data
Number
PI8901490Type
Filing
Publication
The letters patent expired on 12/18/2012: 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: 11/14/1989. We update with every new RPI gazette, published weekly.
Applicants
Alcan International Limited
CA
Inventors
D. C. (pessoa física)
JM
G. F. (pessoa física)
CA
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
11/14/1989
RPI 995
#2.1
05/16/1989
RPI 969
#21.1
Patente extinta em 30/03/2009
12/18/2012
RPI 2189
#16.1
11/24/1998
RPI 1455
#9.1
03/17/1998
RPI 1421
#6.1
10/22/1996
RPI 1351
#6.1
12/19/1995
RPI 1307
#4.1
01/21/1992
RPI 1103
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.