Carta-patente expirada
#21.1
Patente extinta em 18/06/2010
01/15/2013
RPI 2193
Application data
Number
PI9002937Type
Filing
Publication
The letters patent expired on 01/15/2013: 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: 01/15/2013. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining And Manufacturing Company
US
The Dow Chemical Company
US
Inventors
J. W. (pessoa física)
US
W. S. (pessoa física)
US
IPC Classification
Priority claims
US
368.695 · 06/20/1989
US
463.645 · 01/11/1990
US
466.168 · 01/17/1990
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 18/06/2010
01/15/2013
RPI 2193
#25.1
Transferido de The Dow Chemical Company
11/28/2000
RPI 1560
#25.3
Apresente novo documento comprovando a outorga de poderes do cedente para o cessionário e a legalização consular.
07/25/2000
RPI 1542
#16.1
06/01/1999
RPI 1482
#9.1
11/10/1998
RPI 1453
#15.11
Alterada a Classificação para Int.Cl.6 G02B 5/08
05/05/1998
RPI 1428
#6.1
05/05/1998
RPI 1428
#4.1
08/03/1993
RPI 1183
#3.1
08/20/1991
RPI 1081
#2.1
11/27/1990
RPI 1043
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.