18.8
07/28/1987
RPI 875
The letters patent expired on 08/25/1992: 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: 07/28/1987. We update with every new RPI gazette, published weekly.
Applicants
A. I. (pessoa física)
US
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
07/28/1987
RPI 875
#18.2
05/19/1987
RPI 865
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era H01R 3/02.
03/27/2018
RPI 2464
#21.1
08/25/1992
RPI 1134
From the same holder
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