Carta-patente expirada
#21.1
Patente extinta em 19/12/2009
05/21/2013
RPI 2211
Application data
Number
PI8906566Type
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
A. C. (pessoa física)
US
Armco Inc
US
Inventors
C. K. (pessoa física)
US
W. W. (pessoa física)
US
W. B. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 19/12/2009
05/21/2013
RPI 2211
#16.1
08/26/1997
RPI 1395
#9.1
08/13/1996
RPI 1341
04/20/1993
RPI 1168
#4.1
12/17/1991
RPI 1098
#3.1
06/25/1991
RPI 1073
#2.1
05/01/1990
RPI 1016
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.