200
01/04/1983
RPI 637
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: 01/04/1983. We update with every new RPI gazette, published weekly.
Applicants
DALL ANESE METALURG LTD
Inventors
D. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
01/04/1983
RPI 637
#17.1
07/20/1982
RPI 613
03/30/1982
RPI 597
From the same holder
Same category
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