200
11/16/1982
RPI 630
The patent was invalidated by the INPI in an administrative invalidity proceeding. Protection no longer exists.
Talk to a specialistLatest action published by the INPI: 11/16/1982. We update with every new RPI gazette, published weekly.
Applicants
ARMCO STEEL CORP
Inventors
E. J. (pessoa física)
N. J. (pessoa física)
P. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/16/1982
RPI 630
#16.1
05/25/1982
RPI 605
#16.1
02/24/1982
RPI 592
From the same holder
Same category
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