Concessão da patente
#16.1
03/29/1983
RPI 649
The letters patent expired on 05/31/1994: 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: 03/29/1983. We update with every new RPI gazette, published weekly.
Applicants
MINNESOTA MINING & MFG
Inventors
D. C. (pessoa física)
K. D. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/29/1983
RPI 649
#13.1
01/25/1983
RPI 640
#6.1
03/30/1982
RPI 597
#21.1
05/31/1994
RPI 1226
From the same holder
Same category
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