20.11
03/07/1984
RPI 698
The letters patent expired on 07/13/1993: 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: 03/07/1984. We update with every new RPI gazette, published weekly.
Applicants
EBARA CORP
M. C. (pessoa física)
TOYO ENGINEERING CORP
Inventors
J. T. (pessoa física)
K. M. (pessoa física)
K. T. (pessoa física)
O. H. (pessoa física)
T. S. (pessoa física)
Y. T. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
03/07/1984
RPI 698
#20.1
12/06/1983
RPI 685
#16.1
11/30/1982
RPI 632
#13.1
08/31/1982
RPI 619
#9.1
04/27/1982
RPI 601
#6.1
11/10/1981
RPI 577
#21.1
07/13/1993
RPI 1180
From the same holder
Same category
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