Carta-patente expirada
#21.1
Patente extinta em 09/05/2005
05/18/2010
RPI 2054
Application data
Number
PI9002160Type
Filing
Publication
The letters patent expired on 05/18/2010: 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: 05/18/2010. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
J. M. (pessoa física)
US
IPC Classification
Priority claims
US
350,049 · 05/10/1989
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 09/05/2005
05/18/2010
RPI 2054
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