Carta-patente expirada
#21.1
Patente extinta em 22/12/2009
01/02/2013
RPI 2191
Application data
Number
PI8906697Type
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
E.C.C. America, Inc
US
Inventors
R. T. (pessoa física)
US
W. D. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 22/12/2009
01/02/2013
RPI 2191
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03/09/1999
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03/16/1993
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09/11/1990
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