Solicitação de exame técnico
#4.1
10/10/1989
RPI 990
Application data
Number
PI8600130Type
Filing
Publication
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: 10/10/1989. We update with every new RPI gazette, published weekly.
Applicants
N. C. (pessoa física)
JP
Inventors
T. K. (pessoa física)
JP
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/10/1989
RPI 990
#3.1
09/01/1987
RPI 880
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04/22/1986
RPI 809
#21.1
Patente extinta em 10/01/2001
07/22/2008
RPI 1959
#16.1
12/31/1991
RPI 1100
#13.1
09/10/1991
RPI 1084
#9.1
05/28/1991
RPI 1069
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