Carta-patente expirada
#21.1
Patente extinte em 26/08/2011
06/04/2013
RPI 2213
Application data
Number
PI9103666Type
Filing
Publication
The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.
Applicants
Aluminum Company Of America
US
Inventors
E. C. (pessoa física)
US
J. P. (pessoa física)
US
R. W. (pessoa física)
US
IPC Classification
Priority claims
US
572.625 · 08/27/1990
US
572.626 · 08/27/1990
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinte em 26/08/2011
06/04/2013
RPI 2213
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