Carta-patente expirada
#21.1
Patente extinta em 18/09/2010
05/21/2013
RPI 2211
Application data
Number
PI9004636Type
Filing
Publication
The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.
Applicants
Westinghouse Air Brake Company.
US
Inventors
J. W. (pessoa física)
US
J. D. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 18/09/2010
05/21/2013
RPI 2211
#16.1
08/24/1999
RPI 1494
#9.1
04/27/1999
RPI 1477
#6.1
10/27/1998
RPI 1451
#4.1
12/10/1991
RPI 1097
#3.1
09/10/1991
RPI 1084
#2.1
04/02/1991
RPI 1061
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.