Carta-patente expirada
#21.1
Patente extinta em 04/04/2010
01/08/2013
RPI 2192
Application data
Number
PI9001578Type
Filing
Publication
The letters patent expired on 01/08/2013: 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: 01/08/2013. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
L. M. (pessoa física)
US
IPC Classification
Priority claims
US
07/333,036 · 04/06/1989
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 04/04/2010
01/08/2013
RPI 2192
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