Carta-patente expirada
#21.1
Patente extinta em 21/09/2005
06/15/2010
RPI 2058
Application data
Number
PI9007720Type
Filing
Publication
PCT
US1990005407 The letters patent expired on 06/15/2010: 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: 06/15/2010. We update with every new RPI gazette, published weekly.
Applicants
Keystone International Holdings Corp
US
Inventors
A. E. (pessoa física)
NL
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 21/09/2005
06/15/2010
RPI 2058
#16.1
04/25/1995
RPI 1273
#13.1
11/08/1994
RPI 1249
#9.1
06/28/1994
RPI 1230
#4.1
08/17/1993
RPI 1185
#1.3
07/21/1992
RPI 1129
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.