Concessão da patente
#16.1
05/31/1983
RPI 658
The letters patent expired on 11/30/1993: 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: 05/31/1983. We update with every new RPI gazette, published weekly.
Applicants
METAL LEVE SA IND COM
Inventors
A. M. (pessoa física)
M. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/31/1983
RPI 658
#13.1
01/11/1983
RPI 638
#9.1
09/08/1982
RPI 620
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C23C 7/00; B05D 3/00.
03/27/2018
RPI 2464
#21.1
11/30/1993
RPI 1200
From the same holder
Same category
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