Carta-patente expirada
#21.1
Patente extinta em 10/09/2005
06/01/2010
RPI 2056
Application data
Number
PI9004487Type
Filing
Publication
The letters patent expired on 06/01/2010: 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: 06/01/2010. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
D. K. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 10/09/2005
06/01/2010
RPI 2056
#16.1
04/29/1997
RPI 1378
#13.1
03/25/1997
RPI 1373
#9.1
08/20/1996
RPI 1342
#4.1
11/30/1993
RPI 1200
#3.1
09/10/1991
RPI 1084
#2.1
03/12/1991
RPI 1058
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.