Carta-patente expirada
#21.1
PATENTE EXTINTA EM 04.10.2021
10/13/2021
RPI 2649
Application data
Number
PI9715353Type
Filing
Publication
PCT
US1997009493 The letters patent expired on 10/13/2021: 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: 10/13/2021. We update with every new RPI gazette, published weekly.
Applicants
T. C. (pessoa física)
US
Inventors
C. H. (pessoa física)
US
IPC Classification
Priority claims
US
08/661.412 · 06/07/1996
Publications in the Brazilian Industrial Property Gazette (RPI).
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