Carta-patente expirada
#21.1
Patente extinta em 05/09/2005
06/01/2010
RPI 2056
Application data
Number
PI9004423Type
Filing
Publication
The letters patent expired on 06/01/2010: 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: 06/01/2010. We update with every new RPI gazette, published weekly.
Applicants
W. L. (pessoa física)
DE
Inventors
W. L. (pessoa física)
DE
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 05/09/2005
06/01/2010
RPI 2056
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02/21/1995
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03/08/1994
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11/19/1991
RPI 1094
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09/10/1991
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03/12/1991
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