Carta-patente expirada
#21.1
Patente extinta em 03/04/2005
05/18/2010
RPI 2054
Application data
Number
PI9001604Type
Filing
Publication
The letters patent expired on 05/18/2010: 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: 05/18/2010. We update with every new RPI gazette, published weekly.
Applicants
W. B. (pessoa física)
SP, BR
Inventors
W. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 03/04/2005
05/18/2010
RPI 2054
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11/05/1991
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08/07/1990
RPI 1027
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