Concessão da patente
#16.1
10/29/1985
RPI 784
Application data
Number
PI8107123Type
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: 10/29/1985. We update with every new RPI gazette, published weekly.
Applicants
MINNESOTA MINING & MFG [US]
Inventors
V. F. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/29/1985
RPI 784
#13.1
08/06/1985
RPI 772
#9.1
04/16/1985
RPI 756
#4.1
09/11/1984
RPI 725
#3.1
07/20/1982
RPI 613
#2.1
12/15/1981
RPI 582
#21.1
Patente extinta em 03/11/96
08/19/2008
RPI 1963
From the same holder
Same category
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