Carta-patente expirada
#21.1
Patente extinta em 28/12/2009
12/18/2012
RPI 2189
Application data
Number
PI8807759Type
Filing
Publication
PCT
US1988003598 The letters patent expired on 12/18/2012: 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: 12/18/2012. We update with every new RPI gazette, published weekly.
Applicants
P. C. (pessoa física)
US
Inventors
D. P. (pessoa física)
US
IPC Classification
Priority claims
US
07/110.413 · 10/20/1987
US
07/218.169 · 07/13/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 28/12/2009
12/18/2012
RPI 2189
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08/07/1990
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