Carta-patente expirada
#21.1
Patente extinta em 10/08/2010
05/28/2013
RPI 2212
Application data
Number
PI9007589Type
Filing
Publication
PCT
US1990004556 The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.
Applicants
Z. C. (pessoa física)
US
Inventors
E. B. (pessoa física)
US
H. C. (pessoa física)
US
R. G. (pessoa física)
US
IPC Classification
Priority claims
US
392,630 · 08/11/1989
US
521,505 · 05/10/1990
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 10/08/2010
05/28/2013
RPI 2212
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