Concessão da patente
#16.1
06/24/1986
RPI 818
Application data
Number
PI8108797Type
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: 06/24/1986. We update with every new RPI gazette, published weekly.
Applicants
MINNESOTA MINING & MFG [US]
Inventors
H. [. (pessoa física)
L. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/24/1986
RPI 818
#13.1
04/22/1986
RPI 809
#9.1
12/17/1985
RPI 791
#6.1
03/05/1985
RPI 750
#4.1
06/05/1984
RPI 711
#1.3
08/24/1982
RPI 618
#21.1
Patente extinta em 06/08/96
08/19/2008
RPI 1963
From the same holder
Same category
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