Carta-patente expirada
#21.1
Patente extinta em 27/04/2010
05/28/2013
RPI 2212
Application data
Number
PI9007331Type
Filing
Publication
PCT
CA1990000141 The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.
Applicants
R. Guthrie Research Associates Inc
CA
Sumitomo Metal Industries, Ltd
JP
Inventors
H. N. (pessoa física)
JP
R. G. (pessoa física)
CA
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 27/04/2010
05/28/2013
RPI 2212
#16.1
08/26/1997
RPI 1395
#13.1
02/18/1997
RPI 1368
#9.1
04/30/1996
RPI 1326
#6.1
11/07/1995
RPI 1301
#4.1
07/06/1993
RPI 1179
#1.3
04/21/1992
RPI 1116
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.