Carta-patente expirada
#21.1
Patente extinta em 18/05/2005
05/18/2010
RPI 2054
Application data
Number
PI9002331Type
Filing
Publication
The letters patent expired on 05/18/2010: 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: 05/18/2010. We update with every new RPI gazette, published weekly.
Applicants
F. C. (pessoa física)
US
Inventors
G. L. (pessoa física)
US
IPC Classification
Priority claims
US
373.541 · 06/30/1989
US
474.864 · 02/05/1990
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 18/05/2005
05/18/2010
RPI 2054
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04/25/1995
RPI 1273
#13.1
11/29/1994
RPI 1252
#9.1
08/02/1994
RPI 1235
#4.1
10/19/1993
RPI 1194
#3.1
08/06/1991
RPI 1079
#2.1
10/02/1990
RPI 1035
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