Concessão da patente
#16.1
10/25/1983
RPI 679
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: 10/25/1983. We update with every new RPI gazette, published weekly.
Applicants
OXY METAL INDUSTRIES CORP
Inventors
H. R. (pessoa física)
T. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/25/1983
RPI 679
#13.1
08/30/1983
RPI 671
#9.1
04/05/1983
RPI 650
#6.1
01/26/1982
RPI 588
#21.1
11/30/1993
RPI 1200
From the same holder
Same category
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