Carta-patente expirada
#21.1
Patente extinta em 29/01/2003
09/02/2008
RPI 1965
Application data
Number
PI8807881Type
Filing
Publication
PCT
US1988000269 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
T. B. (pessoa física)
US
Inventors
T. B. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 29/01/2003
09/02/2008
RPI 1965
#16.1
04/25/1995
RPI 1273
#13.1
01/17/1995
RPI 1259
#9.1
09/13/1994
RPI 1241
#4.1
03/05/1991
RPI 1057
#1.3
09/25/1990
RPI 1034
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