Concessão da patente
#16.1
12/27/1988
RPI 949
Application data
Number
PI8108925Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 12/27/1988. We update with every new RPI gazette, published weekly.
Applicants
MINNESOTA MINING & MFG [US]
Inventors
M. [. (pessoa física)
N. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/27/1988
RPI 949
#13.1
10/04/1988
RPI 937
#9.1
06/14/1988
RPI 921
#6.1
12/08/1987
RPI 894
#6.1
01/29/1985
RPI 745
#4.1
08/07/1984
RPI 720
#1.3
11/30/1982
RPI 632
#21.1
Patente extinta em 09/11/96
08/19/2008
RPI 1963
From the same holder
Same category
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