Carta-patente expirada
#21.1
Patente extinta em 24/04/2010
05/21/2013
RPI 2211
Application data
Number
PI9001906Type
Filing
Publication
The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.
Applicants
P. B. (pessoa física)
SE
Inventors
P. B. (pessoa física)
SE
IPC Classification
Priority claims
SE
89 01 508-5 · 04/25/1989
US
406,586 · 09/13/1989
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 24/04/2010
05/21/2013
RPI 2211
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12/24/1996
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07/25/1995
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12/01/1992
RPI 1148
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07/30/1991
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08/14/1990
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