Carta-patente expirada
#21.1
Patente extinta em 20/09/2010
05/28/2013
RPI 2212
Application data
Number
PI9007712Type
Filing
Publication
PCT
US1990005371 The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
D. C. (pessoa física)
US
M. B. (pessoa física)
US
R. O. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 20/09/2010
05/28/2013
RPI 2212
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01/21/1998
RPI 1413
#9.1
05/20/1997
RPI 1381
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04/23/1996
RPI 1325
#4.1
08/03/1993
RPI 1183
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07/21/1992
RPI 1129
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