20.7
11/10/1987
RPI 890
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: 11/10/1987. We update with every new RPI gazette, published weekly.
Applicants
Arpro Feiras e Promoções Ltda
Inventors
N. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/10/1987
RPI 890
#20.1
11/04/1986
RPI 837
#16.1
11/29/1983
RPI 684
#13.1
09/20/1983
RPI 674
#9.1
04/26/1983
RPI 653
#6.1
08/31/1982
RPI 619
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era E04B 1/40.
03/20/2018
RPI 2463
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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