Solicitação de exame técnico
#4.1
11/24/1987
RPI 892
Application data
Number
PI8605365Type
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: 11/24/1987. We update with every new RPI gazette, published weekly.
Applicants
U. C. (pessoa física)
US
Inventors
R. R. (pessoa física)
US
T. K. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/24/1987
RPI 892
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04/22/1987
RPI 861
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era H01G 1/11.
03/27/2018
RPI 2464
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Patente extinta em 23/01/2001
07/22/2008
RPI 1959
#16.1
07/27/1993
RPI 1182
#13.1
03/23/1993
RPI 1164
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11/03/1992
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