Concessão da patente
#16.1
06/29/1982
RPI 610
The letters patent expired on 07/06/1993: 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: 06/29/1982. We update with every new RPI gazette, published weekly.
Applicants
A. A. (pessoa física)
SE
Inventors
B. F. (pessoa física)
IPC Classification
Priority claims
SE
77007276 · 01/25/1977
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/29/1982
RPI 610
#13.1
12/08/1981
RPI 581
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era B29D 23/03.
03/27/2018
RPI 2464
#21.1
07/06/1993
RPI 1179
From the same holder
Same category
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