Carta-patente expirada
#21.1
Patente extinta em 06/09/2004
12/22/2009
RPI 2033
Application data
Number
PI8904487Type
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
W. H. (pessoa física)
DE
Inventors
M. S. (pessoa física)
DE
W. A. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 06/09/2004
12/22/2009
RPI 2033
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08/31/1993
RPI 1187
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06/29/1993
RPI 1178
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03/09/1993
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04/24/1990
RPI 1015
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