Concessão da patente
#16.1
06/24/1986
RPI 818
The letters patent expired on 11/21/1995: 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 And Manufacturing Company
US
Inventors
C. J. (pessoa física)
W. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/24/1986
RPI 818
#13.1
05/06/1986
RPI 811
#9.1
01/07/1986
RPI 794
09/24/1985
RPI 779
#6.1
11/20/1984
RPI 735
#6.1
01/31/1984
RPI 693
#4.1
05/03/1983
RPI 654
#21.1
11/21/1995
RPI 1303
From the same holder
Same category
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