Concessão da patente
#16.1
07/26/1983
RPI 666
The letters patent expired on 07/26/1994: 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: 07/26/1983. We update with every new RPI gazette, published weekly.
Applicants
MINNESOTA MINING & MFG
Inventors
K. G. (pessoa física)
R. R. (pessoa física)
S. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/26/1983
RPI 666
#13.1
05/24/1983
RPI 657
#9.1
01/11/1983
RPI 638
#6.1
07/06/1982
RPI 611
#4.1
12/15/1981
RPI 582
#21.1
07/26/1994
RPI 1234
From the same holder
Same category
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