Concessão da patente
#16.1
05/28/1985
RPI 762
The letters patent expired on 09/12/1995: 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: 05/28/1985. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
N. R. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
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05/28/1985
RPI 762
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