Carta-patente expirada
#21.1
Patente extinta em 22/06/2003
09/02/2008
RPI 1965
Application data
Number
PI8807667Type
Filing
Publication
PCT
US1988002097 The letters patent expired on 09/02/2008: 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: 09/02/2008. We update with every new RPI gazette, published weekly.
Applicants
R. A. (pessoa física)
US
Inventors
B. C. (pessoa física)
US
R. A. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 22/06/2003
09/02/2008
RPI 1965
#16.1
10/25/1994
RPI 1247
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06/21/1994
RPI 1229
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03/08/1994
RPI 1214
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04/21/1992
RPI 1116
#1.3
07/31/1990
RPI 1026
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