Carta-patente expirada
#21.1
07/15/1986
RPI 821
The letters patent expired on 07/15/1986: 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: 07/15/1986. We update with every new RPI gazette, published weekly.
Applicants
I. B. (pessoa física)
Inventors
F. H. (pessoa física)
I. H. (pessoa física)
S. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
07/15/1986
RPI 821
11/01/1983
RPI 680
#16.1
07/27/1982
RPI 614
#13.1
10/06/1981
RPI 572
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era B63B 35/02.
03/27/2018
RPI 2464
From the same holder
Same category
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