Carta-patente expirada
#21.1
Patente extinta em 21/09/2004
12/22/2009
RPI 2033
Application data
Number
PI8904773Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 12/22/2009. We update with every new RPI gazette, published weekly.
Applicants
C. C. (pessoa física)
US
Inventors
D. V. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 21/09/2004
12/22/2009
RPI 2033
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07/07/1992
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05/01/1990
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