20.4
12/13/1988
RPI 947
The letters patent expired on 09/21/1993: 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: 12/13/1988. We update with every new RPI gazette, published weekly.
Applicants
COOPERATIVA CENTRAL PROD DE AC
Inventors
B. S. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
12/13/1988
RPI 947
12/06/1988
RPI 946
#16.1
02/24/1982
RPI 592
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era C13F 1/02.
03/27/2018
RPI 2464
#21.1
09/21/1993
RPI 1190
Same category
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