6.2
01/13/1987
RPI 847
Application data
Number
PI8202949Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 01/13/1987. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
D. O. (pessoa física)
US
IPC Classification
Priority claims
US
266.140 · 05/22/1981
Publications in the Brazilian Industrial Property Gazette (RPI).
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Procedimento automático de reclassificação. A classificação IPC anterior era C09J 7/02.
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