Carta-patente expirada
#21.1
Patente extinta em 21/07/2009
12/26/2012
RPI 2190
Application data
Number
PI8907574Type
Filing
Publication
PCT
US1989003156 The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.
Applicants
Z. C. (pessoa física)
US
Inventors
C. P. (pessoa física)
US
H. L. (pessoa física)
US
J. F. (pessoa física)
US
J. S. (pessoa física)
US
P. S. (pessoa física)
US
R. A. (pessoa física)
US
IPC Classification
Priority claims
US
223,475 · 07/22/1988
US
370,204 · 06/22/1989
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Patente extinta em 21/07/2009
12/26/2012
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