Concessão da patente
#16.1
05/30/1989
RPI 971
Application data
Number
PI8207748Type
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: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants
MINNESOTA MINING & MFG [US]
Inventors
F. [. (pessoa física)
F. [. (pessoa física)
W. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/30/1989
RPI 971
#13.1
01/24/1989
RPI 953
#9.1
10/04/1988
RPI 937
12/17/1985
RPI 791
#6.1
11/12/1985
RPI 786
#4.1
03/19/1985
RPI 752
#1.3
05/10/1983
RPI 655
#21.1
Patente extinta em 17/05/97
08/19/2008
RPI 1963
From the same holder
Same category
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