Carta-patente expirada
#21.1
Patente extinta em 16/02/2010
01/02/2013
RPI 2191
Application data
Number
PI9000737Type
Filing
Publication
The letters patent expired on 01/02/2013: 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: 01/02/2013. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
D. F. (pessoa física)
GB
D. B. (pessoa física)
GB
IPC Classification
Priority claims
GB
89.03779 · 02/20/1989
GB
89.24121.0 · 10/26/1989
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 16/02/2010
01/02/2013
RPI 2191
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