Solicitação de exame técnico
#4.1
11/24/1987
RPI 892
Application data
Number
PI8500829Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 11/24/1987. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
M. W. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/24/1987
RPI 892
#3.1
10/15/1985
RPI 782
#2.1
05/14/1985
RPI 760
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C09J 3/14; C09J 7/02.
03/27/2018
RPI 2464
#21.1
Patente extinta em 25/02/2000
07/15/2008
RPI 1958
#16.1
08/27/1991
RPI 1082
#13.1
05/14/1991
RPI 1067
#9.1
01/29/1991
RPI 1052
#6.1
08/14/1990
RPI 1028
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.