Carta-patente expirada
#21.1
Patente extinta em 13/12/2011
06/11/2013
RPI 2214
Application data
Number
PI9105431Type
Filing
Publication
The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.
Applicants
Armco Steel Company, L.P
US
Inventors
A. S. (pessoa física)
US
W. O. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 13/12/2011
06/11/2013
RPI 2214
#16.1
07/27/1999
RPI 1490
#15.11
Alterada para Int. Cl.6 C23C 22/62, C23C 28/00 e C09D 5/08.
05/04/1999
RPI 1478
#9.1
05/04/1999
RPI 1478
#6.1
11/24/1998
RPI 1455
#4.1
11/16/1993
RPI 1198
#3.1
08/25/1992
RPI 1134
#2.1
02/04/1992
RPI 1105
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.