16.3
07/26/1983
RPI 666
The patent was granted on 05/31/1983 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 07/26/1983. We update with every new RPI gazette, published weekly.
Applicants
HITACHI METALS LTD
Inventors
M. S. (pessoa física)
T. S. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
07/26/1983
RPI 666
#16.1
05/31/1983
RPI 658
#13.1
03/15/1983
RPI 647
#9.1
10/26/1982
RPI 627
12/01/1981
RPI 580
07/06/1993
RPI 1179
#21.1
06/29/1993
RPI 1178
From the same holder
Same category
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