Solicitação de exame técnico
#4.1
11/21/1989
RPI 996
The letters patent expired on 11/20/2001: 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: 11/21/1989. We update with every new RPI gazette, published weekly.
Applicants
Kadron S/A
SP, BR
S. B. (pessoa física)
SP, BR
Inventors
S. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/21/1989
RPI 996
#3.2
06/13/1989
RPI 973
#2.1
02/28/1989
RPI 958
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era F01N 7/08.
03/27/2018
RPI 2464
#21.1
Patente extinta em 12/01/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
11/20/2001
RPI 1611
08/16/1994
RPI 1237
#16.1
06/28/1994
RPI 1230
#13.1
02/22/1994
RPI 1212
#9.1
08/31/1993
RPI 1187
06/22/1993
RPI 1177
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