Solicitação de exame técnico
#4.1
10/10/1989
RPI 990
Application data
Number
PI8505229Type
Filing
Publication
The letters patent expired on 07/15/2008: 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. N. (pessoa física)
JP
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/10/1989
RPI 990
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05/26/1987
RPI 866
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01/07/1986
RPI 794
#21.1
Patente extinta em 21/10/2000
07/15/2008
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#16.1
08/25/1992
RPI 1134
#13.1
03/03/1992
RPI 1109
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10/22/1991
RPI 1090
#15.11
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03/19/1991
RPI 1059
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08/14/1990
RPI 1028
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