Carta-patente expirada
#21.1
Patente extinta em 14/05/2002
07/29/2008
RPI 1960
Application data
Number
PI8707983Type
Filing
Publication
PCT
US1987001147 The letters patent expired on 07/29/2008: 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: 07/29/2008. We update with every new RPI gazette, published weekly.
Applicants
M. C. (pessoa física)
US
Inventors
A. H. (pessoa física)
US
J. M. (pessoa física)
US
L. F. (pessoa física)
US
L. C. (pessoa física)
US
W. J. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 14/05/2002
07/29/2008
RPI 1960
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10/16/1990
RPI 1037
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05/22/1990
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