Concessão da patente
#16.1
10/25/1983
RPI 679
The patent was granted on 10/25/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 10/25/1983. We update with every new RPI gazette, published weekly.
Applicants
MINNESOTA MINING & MFG
Inventors
Q. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/25/1983
RPI 679
#13.1
08/30/1983
RPI 671
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04/12/1983
RPI 651
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10/20/1981
RPI 574
#18.2
01/28/1992
RPI 1104
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