Carta-patente expirada
#21.1
Patente extinta em 09/05/2010
01/15/2013
RPI 2193
Application data
Number
PI9007356Type
Filing
Publication
PCT
US1990002597 The letters patent expired on 01/15/2013: 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: 01/15/2013. We update with every new RPI gazette, published weekly.
Applicants
R. C. (pessoa física)
US
Inventors
K. D. (pessoa física)
GB
N. H. (pessoa física)
US
T. H. (pessoa física)
US
IPC Classification
Priority claims
US
350.657 · 05/10/1989
US
419.408 · 10/10/1989
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 09/05/2010
01/15/2013
RPI 2193
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