Solicitação de exame técnico
#4.1
05/02/1989
RPI 967
Application data
Number
PI8607250Type
Filing
Publication
PCT
US1986000374 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
R. C. (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 21/02/2001
07/22/2008
RPI 1959
#16.1
06/28/1994
RPI 1230
#13.1
03/08/1994
RPI 1214
#9.1
09/28/1993
RPI 1191
#6.1
11/17/1992
RPI 1146
#6.1
12/10/1991
RPI 1097
#15.6
05/08/1990
RPI 1017
#15.3
03/01/1990
RPI 1007
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