Cessão de direito de exploração
#22.1
12/10/1985
RPI 790
The letters patent expired on 05/16/1995: 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: 12/10/1985. We update with every new RPI gazette, published weekly.
Applicants
MINNESOTA MINING & MFG
Inventors
P. D. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
12/10/1985
RPI 790
#16.1
02/28/1984
RPI 697
#13.1
11/29/1983
RPI 684
#9.1
08/09/1983
RPI 668
#4.1
01/11/1983
RPI 638
#21.1
05/16/1995
RPI 1276
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Same category
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