Concessão da patente
#16.1
05/27/1980
RPI 501
The letters patent expired on 11/17/1992: 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: 05/27/1980. 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).
#16.1
05/27/1980
RPI 501
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era H01R 15/04.
03/20/2018
RPI 2463
#21.1
11/17/1992
RPI 1146
From the same holder
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