Concessão da patente
#16.1
11/29/1983
RPI 684
The letters patent expired on 12/07/1993: 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: 11/29/1983. We update with every new RPI gazette, published weekly.
Applicants
P. A. (pessoa física)
Inventors
F. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/29/1983
RPI 684
#13.1
05/10/1983
RPI 655
#9.1
11/30/1982
RPI 632
#6.1
05/18/1982
RPI 604
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era E04B 5/55.
03/20/2018
RPI 2463
#21.1
12/07/1993
RPI 1201
Same category
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