Solicitação de exame técnico
#4.1
05/02/1989
RPI 967
Application data
Number
PI8607252Type
Filing
Publication
PCT
US1986000394 The letters patent expired on 07/22/2008: 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: 05/02/1989. We update with every new RPI gazette, published weekly.
Applicants
B. C. (pessoa física)
US
Inventors
B. F. (pessoa física)
SE
P. G. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
05/02/1989
RPI 967
#1.3
12/06/1988
RPI 946
#21.1
Patente extinta em 25/02/2001
07/22/2008
RPI 1959
#16.1
02/04/1997
RPI 1366
#13.1
07/09/1996
RPI 1336
#9.1
01/23/1996
RPI 1312
#6.1
06/27/1995
RPI 1282
#6.1
08/24/1993
RPI 1186
#6.1
11/26/1991
RPI 1095
10/09/1990
RPI 1036
#15.3
08/28/1990
RPI 1030
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