Concessão da patente
#16.1
09/27/1988
RPI 936
Application data
Number
PI8108715Type
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: 09/27/1988. We update with every new RPI gazette, published weekly.
Applicants
MINNESOTA MINING & MFG
Inventors
D. R. (pessoa física)
M. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/27/1988
RPI 936
05/31/1988
RPI 919
#12.2
10/20/1987
RPI 887
#9.2
07/07/1987
RPI 872
#7.1
09/24/1985
RPI 779
#6.1
11/27/1984
RPI 736
#4.1
02/07/1984
RPI 694
#1.3
06/01/1982
RPI 606
#21.1
Patente extinta em 06/07/96
08/19/2008
RPI 1963
From the same holder
Same category
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