Concessão da patente
#16.1
07/28/1987
RPI 875
Application data
Number
PI8201407Type
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: 07/28/1987. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
M. J. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/28/1987
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Patente extinta em 15/03/97
07/01/2008
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