Carta-patente expirada
#21.1
Patente extinta em 17/08/2002
07/29/2008
RPI 1960
Application data
Number
PI8707981Type
Filing
Publication
PCT
US1987002003 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
A. C. (pessoa física)
US
Inventors
A. M. (pessoa física)
US
J. S. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 17/08/2002
07/29/2008
RPI 1960
#16.1
09/29/1992
RPI 1139
#13.1
01/28/1992
RPI 1104
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09/24/1991
RPI 1086
#4.1
10/16/1990
RPI 1037
#1.3
04/17/1990
RPI 1014
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